#25A1D3
Closest named color: Turquoise Blue (#06B1C4). oklch(66.7% 0.125 231.2), rgb(37, 161, 211).
Aa
Black text reads best on this color (7.11:1).
About this color
#25A1D3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.125 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.057 away. Black text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #25A1D3 |
| RGB | rgb(37, 161, 211) |
| HSL | hsl(197, 70%, 49%) |
| OKLCH | oklch(66.7% 0.125 231.2) |
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 #25A1D3 | 2.95:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #25A1D3 | 7.11:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #25A1D3 text on white | 2.95:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #25A1D3 text on black | 7.11:1 | AAA | Lc -46.2 | 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 500.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DEEC
oklch(88.6% 0.034 231.2)
-
Step 300
300
#99C8E1
oklch(80.8% 0.061 231.7)
-
Step 400
400
#5AACD3
oklch(70.8% 0.098 231)
-
Step 500
500 (this color)
#25A1D3
oklch(66.7% 0.125 231.2)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#032B3B
oklch(27.1% 0.051 230.2)
#25A1D3 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) | #889FD5 | 0.084 |
| Deuteranopia (no green cones) | #718FD2 | 0.071 |
| Tritanopia (no blue cones) | #00AFB2 | 0.074 |
| Achromatopsia (no color) | #969696 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25A1D3
#25A1D3
oklch(66.7% 0.125 231.2)
- #D07C47
#D07C47
oklch(66.7% 0.125 51.3)
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 #25A1D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.065
- Faded Blue #658CBB ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.071
- Greyblue #77A1B5 ΔE 0.074
- Water Blue #0E87CC ΔE 0.075
- Blue NCS #118AB2 ΔE 0.076
Use #25A1D3 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.