#474E8B
Closest named color: Twilight (#4E518B). oklch(44.8% 0.1 276.7), rgb(71, 78, 139).
Aa
White text reads best on this color (7.69:1).
About this color
#474E8B is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.100 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.014 away. White text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.73:1 |
| White text | 7.69:1 |
Values
| HEX | #474E8B |
| RGB | rgb(71, 78, 139) |
| HSL | hsl(234, 32%, 41%) |
| OKLCH | oklch(44.8% 0.1 276.7) |
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 #474E8B | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #474E8B | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #474E8B text on white | 7.69:1 | AAA | Lc 86.6 | Fine for body text |
| #474E8B text on black | 2.73:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D3D8EF
oklch(88.5% 0.032 276)
-
Step 300
300
#B6BEE7
oklch(80.9% 0.059 276.4)
-
Step 400
400
#919BDB
oklch(70.6% 0.094 276.9)
-
Step 500
500
#7782D1
oklch(63.2% 0.119 276.4)
-
Step 600
600
#616ABE
oklch(55.7% 0.13 276.7)
-
Step 700
700
#5058A4
oklch(49.2% 0.121 276.5)
-
Step 800
800 (this color)
#474E8B
oklch(44.8% 0.1 276.7)
-
Step 900
900
#373D6A
oklch(37.7% 0.077 276.3)
-
Step 950
950
#20243E
oklch(27% 0.049 276)
#474E8B 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) | #36568D | 0.029 |
| Deuteranopia (no green cones) | #30508A | 0.029 |
| Tritanopia (no blue cones) | #2E5B65 | 0.089 |
| Achromatopsia (no color) | #535353 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474E8B
#474E8B
oklch(44.8% 0.1 276.7)
- #645400
#645400
oklch(44.8% 0.092 96.3)
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 #474E8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.014
- Dusk #4E5481 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.037
- Dusk Blue #26538D ΔE 0.039
- Blueberry #464196 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.046
- Dusky Blue #475F94 ΔE 0.048
Use #474E8B 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.