#025B9A
Closest named color: Dusk Blue (#26538D). oklch(46.1% 0.125 248.6), rgb(2, 91, 154).
Aa
White text reads best on this color (7.08:1).
About this color
#025B9A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.125 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.030 away. White text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #025B9A |
| RGB | rgb(2, 91, 154) |
| HSL | hsl(205, 97%, 31%) |
| OKLCH | oklch(46.1% 0.125 248.6) |
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 #025B9A | 7.08:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #025B9A | 2.96:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #025B9A text on white | 7.08:1 | AAA | Lc 83.9 | Fine for body text |
| #025B9A text on black | 2.96:1 | Fails | Lc -18.0 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300
#A3C5E7
oklch(81% 0.061 248.6)
-
Step 400
400
#6FA6DA
oklch(70.7% 0.096 248)
-
Step 500
500
#468ED0
oklch(63% 0.123 248.6)
-
Step 600
600
#2377BE
oklch(55.6% 0.135 248.9)
-
Step 700
700 (this color)
#025B9A
oklch(46.1% 0.125 248.6)
-
Step 800
800
#155284
oklch(42.8% 0.102 248.2)
-
Step 900
900
#19446A
oklch(37.7% 0.081 248.4)
-
Step 950
950
#10283E
oklch(27% 0.051 248.4)
#025B9A 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) | #3B5F9D | 0.041 |
| Deuteranopia (no green cones) | #235399 | 0.024 |
| Tritanopia (no blue cones) | #006A73 | 0.088 |
| Achromatopsia (no color) | #585858 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #025B9A
#025B9A
oklch(46.1% 0.125 248.6)
- #7C4C00
#7C4C00
oklch(46.1% 0.101 68.8)
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 #025B9A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.038
- Peacock Blue #016795 ΔE 0.038
- Deep Sea Blue #015482 ΔE 0.042
- Light Navy #155084 ΔE 0.044
- Denim #3B638C ΔE 0.053
- Cobalt #1E488F ΔE 0.054
Use #025B9A 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.