#25A8DA
Closest named color: Turquoise Blue (#06B1C4). oklch(68.7% 0.128 230), rgb(37, 168, 218).
Aa
Black text reads best on this color (7.69:1).
About this color
#25A8DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.128 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.048 away. Black text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.69:1 |
| White text | 2.73:1 |
Values
| HEX | #25A8DA |
| RGB | rgb(37, 168, 218) |
| HSL | hsl(197, 71%, 50%) |
| OKLCH | oklch(68.7% 0.128 230) |
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 #25A8DA | 2.73:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #25A8DA | 7.69:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #25A8DA text on white | 2.73:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #25A8DA text on black | 7.69:1 | AAA | Lc -49.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DBEDF7
oklch(93.6% 0.023 231.8)
-
Step 200
200
#BCDFF1
oklch(88.4% 0.044 230.3)
-
Step 300
300
#89CBEB
oklch(80.9% 0.081 229.9)
-
Step 400
400 (this color)
#25A8DA
oklch(68.7% 0.128 230)
-
Step 500
500
#0096C6
oklch(63% 0.126 229.9)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#25A8DA 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) | #8EA6DC | 0.087 |
| Deuteranopia (no green cones) | #7795D9 | 0.075 |
| Tritanopia (no blue cones) | #00B6B9 | 0.073 |
| Achromatopsia (no color) | #9C9C9C | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25A8DA
#25A8DA
oklch(68.7% 0.128 230)
- #D9814C
#D9814C
oklch(68.8% 0.128 50.3)
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 #25A8DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.068
- Deep Sky Blue #00BFFF ΔE 0.073
- Greyblue #77A1B5 ΔE 0.074
- Cornflower Blue #6495ED ΔE 0.075
- Dark Sky Blue #448EE4 ΔE 0.077
- Faded Blue #658CBB ΔE 0.084
- Cadet Blue #5F9EA0 ΔE 0.086
Use #25A8DA 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.