#4C5DAE
Closest named color: French Blue (#436BAD). oklch(50.6% 0.129 272.1), rgb(76, 93, 174).
Aa
White text reads best on this color (6.02:1).
About this color
#4C5DAE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.129 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.039 away. White text reads best on it, at 6.02:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #4C5DAE |
| RGB | rgb(76, 93, 174) |
| HSL | hsl(230, 39%, 49%) |
| OKLCH | oklch(50.6% 0.129 272.1) |
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 #4C5DAE | 6.02:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #4C5DAE | 3.48:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #4C5DAE text on white | 6.02:1 | AA | Lc 79.9 | Fine for body text |
| #4C5DAE text on black | 3.48:1 | AA large text | Lc -21.9 | 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
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B2BFEA
oklch(80.9% 0.063 271.8)
-
Step 400
400
#8B9DDF
oklch(70.8% 0.099 272)
-
Step 500
500
#6F83D7
oklch(63.2% 0.128 272.1)
-
Step 600
600
#586BC4
oklch(55.6% 0.139 272.1)
-
Step 700
700 (this color)
#4C5DAE
oklch(50.6% 0.129 272.1)
-
Step 800
800
#3B4989
oklch(42.7% 0.107 271.9)
-
Step 900
900
#323D6E
oklch(37.6% 0.085 272.2)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#4C5DAE 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) | #3867B1 | 0.032 |
| Deuteranopia (no green cones) | #2B5FAC | 0.035 |
| Tritanopia (no blue cones) | #136F7D | 0.115 |
| Achromatopsia (no color) | #636363 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C5DAE
#4C5DAE
oklch(50.6% 0.129 272.1)
- #7A6200
#7A6200
oklch(50.5% 0.103 92)
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 #4C5DAE, closest first.
No curated palette has a color within ΔE 0.04 of #4C5DAE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.039
- Dusky Blue #475F94 ΔE 0.044
- Mid Blue #276AB3 ΔE 0.045
- Iris #6258C4 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.051
- Twilight #4E518B ΔE 0.060
- Flat Blue #3C73A8 ΔE 0.064
- Denim #3B638C ΔE 0.065
Use #4C5DAE 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.