#25809E
Closest named color: Teal Blue (#01889F). oklch(56.1% 0.094 224.7), rgb(37, 128, 158).
Aa
Black text reads best on this color (4.66:1).
About this color
#25809E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.094 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.024 away. Black text reads best on it, at 4.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #25809E |
| RGB | rgb(37, 128, 158) |
| HSL | hsl(195, 62%, 38%) |
| OKLCH | oklch(56.1% 0.094 224.7) |
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 #25809E | 4.50:1 | AA | Lc -76.4 | Fine for body text |
| Black text on #25809E | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #25809E text on white | 4.50:1 | AA | Lc 70.9 | Content text, not long reading |
| #25809E text on black | 4.66:1 | AA | Lc -30.7 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE5
oklch(88.6% 0.023 224.9)
-
Step 300
300
#A4C7D5
oklch(80.9% 0.042 224.1)
-
Step 400
400
#71AAC0
oklch(70.7% 0.068 224.3)
-
Step 500
500
#4895B1
oklch(63.2% 0.086 224.6)
-
Step 600
600 (this color)
#25809E
oklch(56.1% 0.094 224.7)
-
Step 700
700
#136B86
oklch(49.2% 0.087 224.6)
-
Step 800
800
#15576D
oklch(42.7% 0.073 225.2)
-
Step 900
900
#1A4858
oklch(37.8% 0.056 224.3)
-
Step 950
950
#112A34
oklch(27% 0.036 226.6)
#25809E 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) | #6F7DA0 | 0.072 |
| Deuteranopia (no green cones) | #5F719E | 0.064 |
| Tritanopia (no blue cones) | #00898A | 0.049 |
| Achromatopsia (no color) | #777777 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25809E
#25809E
oklch(56.1% 0.094 224.7)
- #A26245
#A26245
oklch(56.1% 0.093 44.8)
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 #25809E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.024
- Cerulean #457B9D ΔE 0.025
- Ocean #017B92 ΔE 0.027
- Stormy Blue #507B9C ΔE 0.035
- Blue NCS #118AB2 ΔE 0.036
- Nice Blue #107AB0 ΔE 0.038
- Dull Blue #49759C ΔE 0.039
- Sea Blue #047495 ΔE 0.040
Use #25809E 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.