#475663
Closest named color: YInMn Blue (#415A77). oklch(44.5% 0.028 244.6), rgb(71, 86, 99).
Aa
White text reads best on this color (7.55:1).
About this color
#475663 is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.032 away. White text reads best on it, at 7.55:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.77:1 |
| White text | 7.55:1 |
Values
| HEX | #475663 |
| RGB | rgb(71, 86, 99) |
| HSL | hsl(208, 16%, 33%) |
| OKLCH | oklch(44.5% 0.028 244.6) |
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 #475663 | 7.55:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #475663 | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #475663 text on white | 7.55:1 | AAA | Lc 86.3 | Fine for body text |
| #475663 text on black | 2.77:1 | Fails | Lc -15.8 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B8C2CB
oklch(80.9% 0.017 245.1)
-
Step 400
400
#93A3B0
oklch(70.7% 0.026 242.5)
-
Step 500
500
#798C9D
oklch(63.1% 0.034 245.4)
-
Step 600
600
#617688
oklch(55.6% 0.037 244.4)
-
Step 700
700
#516373
oklch(49.1% 0.034 245.4)
-
Step 800
800 (this color)
#475663
oklch(44.5% 0.028 244.6)
-
Step 900
900
#38434D
oklch(37.7% 0.022 245.9)
-
Step 950
950
#21272D
oklch(26.9% 0.014 248.4)
#475663 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) | #515664 | 0.015 |
| Deuteranopia (no green cones) | #4D5363 | 0.012 |
| Tritanopia (no blue cones) | #3F595A | 0.023 |
| Achromatopsia (no color) | #545454 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #475663
#475663
oklch(44.5% 0.028 244.6)
- #5F5144
#5F5144
oklch(44.5% 0.028 64.9)
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 #475663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.032
- Dusty Grape #545775 ΔE 0.037
- Slate #516572 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dusk #4E5481 ΔE 0.054
- Petrol #005F6A ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.063
- Deep Teal #00555A ΔE 0.064
Use #475663 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.