#475091
Closest named color: Twilight (#4E518B). oklch(45.6% 0.106 275.4), rgb(71, 80, 145).
Aa
White text reads best on this color (7.43:1).
About this color
#475091 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.106 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.015 away. White text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #475091 |
| RGB | rgb(71, 80, 145) |
| HSL | hsl(233, 34%, 42%) |
| OKLCH | oklch(45.6% 0.106 275.4) |
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 #475091 | 7.43:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #475091 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #475091 text on white | 7.43:1 | AAA | Lc 85.7 | Fine for body text |
| #475091 text on black | 2.82:1 | Fails | Lc -16.3 | 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
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D2D8F0
oklch(88.5% 0.034 274.5)
-
Step 300
300
#B5BEE9
oklch(80.9% 0.062 275.7)
-
Step 400
400
#8F9BDE
oklch(70.6% 0.099 275.8)
-
Step 500
500
#7481D5
oklch(63% 0.127 275.5)
-
Step 600
600
#5E69C2
oklch(55.5% 0.137 275.7)
-
Step 700
700
#4E57A8
oklch(49.1% 0.128 275.8)
-
Step 800
800 (this color)
#475091
oklch(45.6% 0.106 275.4)
-
Step 900
900
#363D6D
oklch(37.8% 0.082 275.5)
-
Step 950
950
#1F2440
oklch(27% 0.052 274.7)
#475091 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) | #355893 | 0.029 |
| Deuteranopia (no green cones) | #2E5290 | 0.031 |
| Tritanopia (no blue cones) | #295E69 | 0.094 |
| Achromatopsia (no color) | #555555 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475091
#475091
oklch(45.6% 0.106 275.4)
- #675600
#675600
oklch(45.7% 0.094 95.7)
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 #475091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.015
- Denim Blue #3B5B92 ΔE 0.033
- Dusk #4E5481 ΔE 0.033
- Dusk Blue #26538D ΔE 0.039
- Blueberry #464196 ΔE 0.042
- Dusky Blue #475F94 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
- Dark Slate Blue #483D8B ΔE 0.050
Use #475091 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.