#7577EC
Closest named color: Cornflower (#6A79F7). oklch(62.5% 0.172 279.4), rgb(117, 119, 236).
Aa
Black text reads best on this color (5.60:1).
About this color
#7577EC is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.172 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.021 away. Black text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #7577EC |
| RGB | rgb(117, 119, 236) |
| HSL | hsl(239, 76%, 69%) |
| OKLCH | oklch(62.5% 0.172 279.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7577EC | 3.74:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #7577EC | 5.60:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #7577EC text on white | 3.74:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #7577EC text on black | 5.60:1 | AA | Lc -36.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F8
oklch(88.6% 0.046 278.6)
-
Step 300
300
#B5BBF7
oklch(80.9% 0.085 279.9)
-
Step 400
400
#9096F3
oklch(70.7% 0.135 279.5)
-
Step 500
500 (this color)
#7577EC
oklch(62.5% 0.172 279.4)
-
Step 600
600
#615FDD
oklch(55.7% 0.187 279.1)
-
Step 700
700
#514DBF
oklch(49.1% 0.173 279.4)
-
Step 800
800
#42409B
oklch(42.7% 0.144 279.4)
-
Step 900
900
#37377B
oklch(37.6% 0.113 279.5)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#7577EC with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3F89F0 | 0.066 |
| Deuteranopia (no green cones) | #337FE9 | 0.069 |
| Tritanopia (no blue cones) | #4591A6 | 0.151 |
| Achromatopsia (no color) | #848484 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7577EC
#7577EC
oklch(62.5% 0.172 279.4)
- #9B8800
#9B8800
oklch(62.5% 0.13 99.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7577EC, closest first.
No curated palette has a color within ΔE 0.04 of #7577EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.021
- Medium Slate Blue #7B68EE ΔE 0.036
- Soft Blue #6488EA ΔE 0.046
- Medium Purple #9370DB ΔE 0.051
- Periwinkle #8E82FE ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.070
- Dark Periwinkle #665FD1 ΔE 0.073
Use #7577EC in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.