#4B5EAF
Closest named color: French Blue (#436BAD). oklch(50.8% 0.13 271.2), rgb(75, 94, 175).
Aa
White text reads best on this color (5.96:1).
About this color
#4B5EAF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.130 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.036 away. White text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.51:1 |
| White text | 5.96:1 |
Values
| HEX | #4B5EAF |
| RGB | rgb(75, 94, 175) |
| HSL | hsl(229, 40%, 49%) |
| OKLCH | oklch(50.8% 0.13 271.2) |
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 #4B5EAF | 5.96:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #4B5EAF | 3.51:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #4B5EAF text on white | 5.96:1 | AA | Lc 79.6 | Fine for body text |
| #4B5EAF text on black | 3.51:1 | AA large text | Lc -22.2 | 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
#D0D8F1
oklch(88.4% 0.035 271.5)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400
#8A9DE0
oklch(70.7% 0.101 271.5)
-
Step 500
500
#6D83D7
oklch(63% 0.129 271.2)
-
Step 600
600
#566BC4
oklch(55.5% 0.14 271.2)
-
Step 700
700 (this color)
#4B5EAF
oklch(50.8% 0.13 271.2)
-
Step 800
800
#3A4989
oklch(42.6% 0.107 271.3)
-
Step 900
900
#323E6E
oklch(37.8% 0.083 271.3)
-
Step 950
950
#1D2440
oklch(26.9% 0.053 271.8)
#4B5EAF 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) | #3968B2 | 0.030 |
| Deuteranopia (no green cones) | #2B5FAD | 0.034 |
| Tritanopia (no blue cones) | #0A707E | 0.116 |
| Achromatopsia (no color) | #636363 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5EAF
#4B5EAF
oklch(50.8% 0.13 271.2)
- #7B6200
#7B6200
oklch(50.7% 0.104 91.3)
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 #4B5EAF, closest first.
No curated palette has a color within ΔE 0.04 of #4B5EAF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.036
- Mid Blue #276AB3 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.045
- Iris #6258C4 ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.052
- Flat Blue #3C73A8 ΔE 0.062
- Twilight #4E518B ΔE 0.062
- Denim #3B638C ΔE 0.065
Use #4B5EAF 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.