#3C55A2
Closest named color: Denim Blue (#3B5B92). oklch(47.1% 0.128 267.8), rgb(60, 85, 162).
Aa
White text reads best on this color (6.96:1).
About this color
#3C55A2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.128 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.034 away. White text reads best on it, at 6.96:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #3C55A2 |
| RGB | rgb(60, 85, 162) |
| HSL | hsl(225, 46%, 44%) |
| OKLCH | oklch(47.1% 0.128 267.8) |
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 #3C55A2 | 6.96:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #3C55A2 | 3.01:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #3C55A2 text on white | 6.96:1 | AA | Lc 83.9 | Fine for body text |
| #3C55A2 text on black | 3.01:1 | AA large text | Lc -18.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AFC0EA
oklch(80.9% 0.062 267.7)
-
Step 400
400
#869EDF
oklch(70.6% 0.099 268.3)
-
Step 500
500
#6885D6
oklch(63.1% 0.127 267.8)
-
Step 600
600
#506DC3
oklch(55.5% 0.138 267.7)
-
Step 700
700 (this color)
#3C55A2
oklch(47.1% 0.128 267.8)
-
Step 800
800
#364B88
oklch(42.8% 0.104 267.6)
-
Step 900
900
#2F3F6D
oklch(37.8% 0.082 267.9)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#3C55A2 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) | #2F5EA5 | 0.026 |
| Deuteranopia (no green cones) | #1D55A0 | 0.029 |
| Tritanopia (no blue cones) | #006773 | 0.111 |
| Achromatopsia (no color) | #595959 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C55A2
#3C55A2
oklch(47.1% 0.128 267.8)
- #725700
#725700
oklch(47.2% 0.096 87.7)
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 #3C55A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.034
- Twilight #4E518B ΔE 0.042
- Dusky Blue #475F94 ΔE 0.043
- Dusk Blue #26538D ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.050
- Blueberry #464196 ΔE 0.054
- Dusk #4E5481 ΔE 0.057
- Cobalt #1E488F ΔE 0.059
Use #3C55A2 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.