#474D81
Closest named color: Twilight (#4E518B). oklch(44% 0.086 277.3), rgb(71, 77, 129).
Aa
White text reads best on this color (7.93:1).
About this color
#474D81 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.086 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.022 away. White text reads best on it, at 7.93:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.64:1 |
| White text | 7.93:1 |
Values
| HEX | #474D81 |
| RGB | rgb(71, 77, 129) |
| HSL | hsl(234, 29%, 39%) |
| OKLCH | oklch(44% 0.086 277.3) |
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 #474D81 | 7.93:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #474D81 | 2.64:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #474D81 text on white | 7.93:1 | AAA | Lc 87.4 | Fine for body text |
| #474D81 text on black | 2.64:1 | Fails | Lc -14.7 | Not readable |
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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B8BEE1
oklch(80.8% 0.05 277.6)
-
Step 400
400
#949CD3
oklch(70.7% 0.081 277.7)
-
Step 500
500
#7A83C7
oklch(63.1% 0.103 277.3)
-
Step 600
600
#646CB3
oklch(55.6% 0.11 277.3)
-
Step 700
700
#535A9A
oklch(49.2% 0.102 277.2)
-
Step 800
800 (this color)
#474D81
oklch(44% 0.086 277.3)
-
Step 900
900
#393E65
oklch(37.8% 0.067 277.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#474D81 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) | #3A5383 | 0.023 |
| Deuteranopia (no green cones) | #364F80 | 0.023 |
| Tritanopia (no blue cones) | #345861 | 0.076 |
| Achromatopsia (no color) | #515151 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474D81
#474D81
oklch(44% 0.086 277.3)
- #60520B
#60520B
oklch(44% 0.086 96.9)
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 #474D81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.022
- Dusk #4E5481 ΔE 0.024
- Dusk Blue #26538D ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.044
- Dusty Grape #545775 ΔE 0.046
- YInMn Blue #415A77 ΔE 0.046
- Dark Slate Blue #483D8B ΔE 0.049
Use #474D81 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.