#25546B
Closest named color: Petrol (#005F6A). oklch(42.4% 0.064 232.3), rgb(37, 84, 107).
Aa
White text reads best on this color (8.20:1).
About this color
#25546B is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.064 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.038 away. White text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #25546B |
| RGB | rgb(37, 84, 107) |
| HSL | hsl(200, 49%, 28%) |
| OKLCH | oklch(42.4% 0.064 232.3) |
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 #25546B | 8.20:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #25546B | 2.55:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #25546B text on white | 8.20:1 | AAA | Lc 88.2 | Fine for body text |
| #25546B text on black | 2.55:1 | Fails | Lc -14.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE5
oklch(88.5% 0.021 232.2)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7BA8C0
oklch(70.8% 0.06 232)
-
Step 500
500
#5792B0
oklch(63.1% 0.076 231.9)
-
Step 600
600
#3B7C9C
oklch(55.7% 0.083 232.3)
-
Step 700
700
#2C6885
oklch(49.1% 0.077 232.4)
-
Step 800
800 (this color)
#25546B
oklch(42.4% 0.064 232.3)
-
Step 900
900
#244658
oklch(37.7% 0.05 233.4)
-
Step 950
950
#162933
oklch(26.9% 0.031 232.5)
#25546B 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) | #49536C | 0.043 |
| Deuteranopia (no green cones) | #3F4C6B | 0.036 |
| Tritanopia (no blue cones) | #005A5C | 0.042 |
| Achromatopsia (no color) | #4F4F4F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25546B
#25546B
oklch(42.4% 0.064 232.3)
- #6A442C
#6A442C
oklch(42.5% 0.064 52.5)
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 #25546B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.038
- Deep Teal #00555A ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dark Grey Blue #29465B ΔE 0.046
- Light Navy #155084 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.050
Use #25546B 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.