#25617B
Closest named color: YInMn Blue (#415A77). oklch(46.5% 0.074 230), rgb(37, 97, 123).
Aa
White text reads best on this color (6.83:1).
About this color
#25617B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 47%, its chroma 0.074 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.031 away. White text reads best on it, at 6.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #25617B |
| RGB | rgb(37, 97, 123) |
| HSL | hsl(198, 54%, 31%) |
| OKLCH | oklch(46.5% 0.074 230) |
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 #25617B | 6.83:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #25617B | 3.07:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #25617B text on white | 6.83:1 | AA | Lc 83.3 | Fine for body text |
| #25617B text on black | 3.07:1 | AA large text | Lc -18.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CDDCE4
oklch(88.6% 0.02 230.7)
-
Step 300
300
#AAC6D4
oklch(81% 0.036 229.4)
-
Step 400
400
#7CA8BE
oklch(70.8% 0.057 230.2)
-
Step 500
500
#5892AD
oklch(63.1% 0.073 229.5)
-
Step 600
600
#3C7C99
oklch(55.6% 0.079 230)
-
Step 700
700 (this color)
#25617B
oklch(46.5% 0.074 230)
-
Step 800
800
#27556A
oklch(42.7% 0.061 230.2)
-
Step 900
900
#254656
oklch(37.6% 0.047 230.9)
-
Step 950
950
#162932
oklch(26.9% 0.03 229.7)
#25617B 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) | #54607C | 0.052 |
| Deuteranopia (no green cones) | #48577B | 0.045 |
| Tritanopia (no blue cones) | #00686A | 0.044 |
| Achromatopsia (no color) | #5B5B5B | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25617B
#25617B
oklch(46.5% 0.074 230)
- #7B4D32
#7B4D32
oklch(46.6% 0.074 50.5)
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 #25617B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.035
- Petrol #005F6A ΔE 0.035
- Denim #3B638C ΔE 0.036
- Peacock Blue #016795 ΔE 0.042
- Dark Aqua #05696B ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.051
Use #25617B 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.