#475AB2
Closest named color: Iris (#6258C4). oklch(49.9% 0.141 271.3), rgb(71, 90, 178).
Aa
White text reads best on this color (6.22:1).
About this color
#475AB2 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.141 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.048 away. White text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.37:1 |
| White text | 6.22:1 |
Values
| HEX | #475AB2 |
| RGB | rgb(71, 90, 178) |
| HSL | hsl(229, 43%, 49%) |
| OKLCH | oklch(49.9% 0.141 271.3) |
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 #475AB2 | 6.22:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #475AB2 | 3.37:1 | AA large text | Lc 23.3 | Dividers and decoration only |
| #475AB2 text on white | 6.22:1 | AA | Lc 80.8 | Fine for body text |
| #475AB2 text on black | 3.37:1 | AA large text | Lc -21.1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300
#B0BFEE
oklch(80.9% 0.069 271)
-
Step 400
400
#889CE5
oklch(70.6% 0.11 271.7)
-
Step 500
500
#6B82DD
oklch(63% 0.139 271.2)
-
Step 600
600
#546ACB
oklch(55.6% 0.151 271.1)
-
Step 700
700 (this color)
#475AB2
oklch(49.9% 0.141 271.3)
-
Step 800
800
#39488E
oklch(42.7% 0.117 271.6)
-
Step 900
900
#303D71
oklch(37.6% 0.09 271)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#475AB2 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) | #2D66B5 | 0.037 |
| Deuteranopia (no green cones) | #195CB0 | 0.041 |
| Tritanopia (no blue cones) | #006E7D | 0.123 |
| Achromatopsia (no color) | #616161 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475AB2
#475AB2
oklch(49.9% 0.141 271.3)
- #786000
#786000
oklch(49.9% 0.102 91.7)
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 #475AB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.048
- Mid Blue #276AB3 ΔE 0.048
- French Blue #436BAD ΔE 0.048
- Dusky Blue #475F94 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.055
- Twilight #4E518B ΔE 0.064
- Warm Blue #4B57DB ΔE 0.065
- Slate Blue #6A5ACD ΔE 0.066
Use #475AB2 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.