#7377CC
Closest named color: Medium Purple (#9370DB). oklch(60.4% 0.128 279.8), rgb(115, 119, 204).
Aa
Black text reads best on this color (5.23:1).
About this color
#7377CC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.128 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.056 away. Black text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.23:1 |
| White text | 4.00:1 |
Values
| HEX | #7377CC |
| RGB | rgb(115, 119, 204) |
| HSL | hsl(237, 47%, 63%) |
| OKLCH | oklch(60.4% 0.128 279.8) |
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 #7377CC | 4.00:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #7377CC | 5.23:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #7377CC text on white | 4.00:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #7377CC text on black | 5.23:1 | AA | Lc -34.4 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B8BDE9
oklch(80.9% 0.062 279.8)
-
Step 400
400
#949ADE
oklch(70.8% 0.099 279.6)
-
Step 500
500 (this color)
#7377CC
oklch(60.4% 0.128 279.8)
-
Step 600
600
#6567C2
oklch(55.6% 0.139 279.9)
-
Step 700
700
#5455A8
oklch(49.1% 0.13 280)
-
Step 800
800
#444688
oklch(42.7% 0.107 279.5)
-
Step 900
900
#393B6D
oklch(37.6% 0.084 279.8)
-
Step 950
950
#212340
oklch(27% 0.054 279.2)
#7377CC 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) | #5882CF | 0.041 |
| Deuteranopia (no green cones) | #527CCA | 0.042 |
| Tritanopia (no blue cones) | #568898 | 0.111 |
| Achromatopsia (no color) | #7F7F7F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7377CC
#7377CC
oklch(60.4% 0.128 279.8)
- #948200
#948200
oklch(60.5% 0.125 99.5)
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 #7377CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.056
- Soft Blue #6488EA ΔE 0.058
- Deep Lilac #966EBD ΔE 0.058
- Cornflower #6A79F7 ΔE 0.065
- Dark Periwinkle #665FD1 ΔE 0.067
- Medium Slate Blue #7B68EE ΔE 0.068
- Faded Blue #658CBB ΔE 0.070
- Cool Blue #4984B8 ΔE 0.070
Use #7377CC 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.