#3C559D
Closest named color: Denim Blue (#3B5B92). oklch(46.7% 0.12 267.3), rgb(60, 85, 157).
Aa
White text reads best on this color (7.05:1).
About this color
#3C559D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.120 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.027 away. White text reads best on it, at 7.05:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #3C559D |
| RGB | rgb(60, 85, 157) |
| HSL | hsl(225, 45%, 43%) |
| OKLCH | oklch(46.7% 0.12 267.3) |
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 #3C559D | 7.05:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #3C559D | 2.97:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #3C559D text on white | 7.05:1 | AAA | Lc 84.2 | Fine for body text |
| #3C559D text on black | 2.97:1 | Fails | Lc -17.8 | 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
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E7
oklch(80.9% 0.058 267.6)
-
Step 400
400
#879FDB
oklch(70.7% 0.092 267.3)
-
Step 500
500
#6986D2
oklch(63.1% 0.12 267.1)
-
Step 600
600
#516EBF
oklch(55.5% 0.13 267.3)
-
Step 700
700 (this color)
#3C559D
oklch(46.7% 0.12 267.3)
-
Step 800
800
#374B85
oklch(42.6% 0.1 267.7)
-
Step 900
900
#2F3F6B
oklch(37.6% 0.078 267.5)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#3C559D 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) | #335DA0 | 0.022 |
| Deuteranopia (no green cones) | #24549B | 0.025 |
| Tritanopia (no blue cones) | #006571 | 0.104 |
| Achromatopsia (no color) | #595959 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C559D
#3C559D
oklch(46.7% 0.12 267.3)
- #715600
#715600
oklch(46.8% 0.096 87.4)
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 #3C559D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.027
- Twilight #4E518B ΔE 0.036
- Dusk Blue #26538D ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.043
- Dusk #4E5481 ΔE 0.050
- Blueberry #464196 ΔE 0.053
- Denim #3B638C ΔE 0.054
Use #3C559D 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.