#474B9B
Closest named color: Blueberry (#464196). oklch(45.2% 0.128 277.8), rgb(71, 75, 155).
Aa
White text reads best on this color (7.64:1).
About this color
#474B9B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.128 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 7.64:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #474B9B |
| RGB | rgb(71, 75, 155) |
| HSL | hsl(237, 37%, 44%) |
| OKLCH | oklch(45.2% 0.128 277.8) |
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 #474B9B | 7.64:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #474B9B | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #474B9B text on white | 7.64:1 | AAA | Lc 86.3 | Fine for body text |
| #474B9B text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BDF1
oklch(81% 0.074 277.8)
-
Step 400
400
#8F99EA
oklch(70.8% 0.119 277.5)
-
Step 500
500
#757DE4
oklch(63.1% 0.153 277.7)
-
Step 600
600
#5F64D2
oklch(55.7% 0.166 277.6)
-
Step 700
700
#4F52B6
oklch(49.1% 0.155 277.8)
-
Step 800
800 (this color)
#474B9B
oklch(45.2% 0.128 277.8)
-
Step 900
900
#363A75
oklch(37.7% 0.099 277.6)
-
Step 950
950
#202245
oklch(27% 0.064 278.7)
#474B9B 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) | #23579E | 0.047 |
| Deuteranopia (no green cones) | #185099 | 0.049 |
| Tritanopia (no blue cones) | #215D6C | 0.111 |
| Achromatopsia (no color) | #535353 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #474B9B
#474B9B
oklch(45.2% 0.128 277.8)
- #645600
#645600
oklch(45.3% 0.094 98.3)
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 #474B9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Twilight #4E518B ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.042
- Denim Blue #3B5B92 ΔE 0.050
- Dusk Blue #26538D ΔE 0.050
- Cobalt #1E488F ΔE 0.055
- Dusk #4E5481 ΔE 0.055
- Dusky Blue #475F94 ΔE 0.059
Use #474B9B 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.