#6576E4
Closest named color: Cornflower (#6A79F7). oklch(60.7% 0.166 273.8), rgb(101, 118, 228).
Aa
Black text reads best on this color (5.26:1).
About this color
#6576E4 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.166 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.030 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #6576E4 |
| RGB | rgb(101, 118, 228) |
| HSL | hsl(232, 70%, 65%) |
| OKLCH | oklch(60.7% 0.166 273.8) |
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 #6576E4 | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #6576E4 | 5.26:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #6576E4 text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #6576E4 text on black | 5.26:1 | AA | Lc -34.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#CFD8F8
oklch(88.5% 0.045 273)
-
Step 300
300
#B0BDF6
oklch(80.8% 0.082 274.5)
-
Step 400
400
#8799F1
oklch(70.6% 0.13 273.8)
-
Step 500
500 (this color)
#6576E4
oklch(60.7% 0.166 273.8)
-
Step 600
600
#5564DB
oklch(55.6% 0.181 273.6)
-
Step 700
700
#4652BE
oklch(49.1% 0.168 273.7)
-
Step 800
800
#394499
oklch(42.7% 0.138 273.5)
-
Step 900
900
#313A7A
oklch(37.7% 0.108 274)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#6576E4 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) | #4085E8 | 0.048 |
| Deuteranopia (no green cones) | #2E7AE2 | 0.052 |
| Tritanopia (no blue cones) | #1B8FA2 | 0.148 |
| Achromatopsia (no color) | #7F7F7F | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6576E4
#6576E4
oklch(60.7% 0.166 273.8)
- #9B8000
#9B8000
oklch(60.7% 0.125 94)
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 #6576E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.030
- Soft Blue #6488EA ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.046
- Royal Blue #4169E1 ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.060
- Clear Blue #247AFD ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.066
- Medium Purple #9370DB ΔE 0.068
Use #6576E4 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.