#425263
Closest named color: YInMn Blue (#415A77). oklch(43.2% 0.035 250.2), rgb(66, 82, 99).
Aa
White text reads best on this color (8.01:1).
About this color
#425263 is a dark, muted blue. In OKLCH its lightness is 43%, its chroma 0.035 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.036 away. White text reads best on it, at 8.01:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.61:1 |
| White text | 8.01:1 |
Values
| HEX | #425263 |
| RGB | rgb(66, 82, 99) |
| HSL | hsl(211, 20%, 32%) |
| OKLCH | oklch(43.2% 0.035 250.2) |
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 #425263 | 8.01:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #425263 | 2.61:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #425263 text on white | 8.01:1 | AAA | Lc 87.8 | Fine for body text |
| #425263 text on black | 2.61:1 | Fails | Lc -14.4 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4DAE0
oklch(88.6% 0.011 247.9)
-
Step 300
300
#B7C2CE
oklch(80.9% 0.021 250.4)
-
Step 400
400
#92A3B5
oklch(70.8% 0.033 249.8)
-
Step 500
500
#778CA2
oklch(63.1% 0.041 249.7)
-
Step 600
600
#60768D
oklch(55.7% 0.044 249.8)
-
Step 700
700
#4F6378
oklch(49.2% 0.042 249.9)
-
Step 800
800 (this color)
#425263
oklch(43.2% 0.035 250.2)
-
Step 900
900
#374350
oklch(37.8% 0.027 250.6)
-
Step 950
950
#20272F
oklch(26.9% 0.018 251.9)
#425263 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) | #4C5264 | 0.015 |
| Deuteranopia (no green cones) | #484F63 | 0.012 |
| Tritanopia (no blue cones) | #385658 | 0.029 |
| Achromatopsia (no color) | #505050 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425263
#425263
oklch(43.2% 0.035 250.2)
- #5D4D3C
#5D4D3C
oklch(43.2% 0.034 68.4)
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 #425263, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.036
- Dusty Grape #545775 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.054
- Dusk #4E5481 ΔE 0.054
- Petrol #005F6A ΔE 0.057
- Deep Teal #00555A ΔE 0.058
- Charcoal #264653 ΔE 0.059
Use #425263 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.