#25577E
Closest named color: Light Navy Blue (#2E5A88). oklch(44.2% 0.084 245), rgb(37, 87, 126).
Aa
White text reads best on this color (7.65:1).
About this color
#25577E is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.084 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.020 away. White text reads best on it, at 7.65:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #25577E |
| RGB | rgb(37, 87, 126) |
| HSL | hsl(206, 55%, 32%) |
| OKLCH | oklch(44.2% 0.084 245) |
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 #25577E | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #25577E | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #25577E text on white | 7.65:1 | AAA | Lc 86.4 | Fine for body text |
| #25577E text on black | 2.74:1 | Fails | Lc -15.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A7C5DF
oklch(81% 0.049 244.6)
-
Step 400
400
#77A6CF
oklch(70.7% 0.079 245.5)
-
Step 500
500
#518FC2
oklch(63% 0.101 245.2)
-
Step 600
600
#3379AF
oklch(55.7% 0.109 245)
-
Step 700
700
#256596
oklch(49% 0.102 245.4)
-
Step 800
800 (this color)
#25577E
oklch(44.2% 0.084 245)
-
Step 900
900
#204562
oklch(37.7% 0.066 244.5)
-
Step 950
950
#142839
oklch(26.9% 0.041 245.8)
#25577E 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) | #465880 | 0.037 |
| Deuteranopia (no green cones) | #394F7D | 0.029 |
| Tritanopia (no blue cones) | #006065 | 0.060 |
| Achromatopsia (no color) | #535353 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25577E
#25577E
oklch(44.2% 0.084 245)
- #724819
#724819
oklch(44.1% 0.084 65.1)
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 #25577E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.020
- Deep Sea Blue #015482 ΔE 0.023
- Light Navy #155084 ΔE 0.029
- Dusk Blue #26538D ΔE 0.030
- YInMn Blue #415A77 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.042
- Denim #3B638C ΔE 0.048
- Dusk #4E5481 ΔE 0.049
Use #25577E 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.