#7577EE
Closest named color: Cornflower (#6A79F7). oklch(62.6% 0.175 279.4), rgb(117, 119, 238).
Aa
Black text reads best on this color (5.62:1).
About this color
#7577EE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.175 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.019 away. Black text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.175) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #7577EE |
| RGB | rgb(117, 119, 238) |
| HSL | hsl(239, 78%, 70%) |
| OKLCH | oklch(62.6% 0.175 279.4) |
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 #7577EE | 3.73:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #7577EE | 5.62:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #7577EE text on white | 3.73:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #7577EE text on black | 5.62:1 | AA | Lc -37.0 | 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
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D2D7F9
oklch(88.6% 0.047 278.8)
-
Step 300
300
#B5BBF8
oklch(80.9% 0.086 279.9)
-
Step 400
400
#8F96F4
oklch(70.7% 0.137 279)
-
Step 500
500 (this color)
#7577EE
oklch(62.6% 0.175 279.4)
-
Step 600
600
#615EDE
oklch(55.6% 0.19 279.3)
-
Step 700
700
#514CC1
oklch(49% 0.177 279.5)
-
Step 800
800
#42409C
oklch(42.8% 0.146 279.3)
-
Step 900
900
#37377C
oklch(37.7% 0.114 279.4)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#7577EE 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) | #3D89F2 | 0.067 |
| Deuteranopia (no green cones) | #3080EB | 0.071 |
| Tritanopia (no blue cones) | #4391A7 | 0.152 |
| Achromatopsia (no color) | #848484 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7577EE
#7577EE
oklch(62.6% 0.175 279.4)
- #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 #7577EE, closest first.
No curated palette has a color within ΔE 0.04 of #7577EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.019
- Medium Slate Blue #7B68EE ΔE 0.035
- Soft Blue #6488EA ΔE 0.046
- Periwinkle #8E82FE ΔE 0.052
- Medium Purple #9370DB ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.056
- Perrywinkle #8F8CE7 ΔE 0.070
- Dark Periwinkle #665FD1 ΔE 0.075
Use #7577EE 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.