#25A1DD
Closest named color: Chefchaouen Blue (#4895EF). oklch(67.2% 0.135 236.1), rgb(37, 161, 221).
Aa
Black text reads best on this color (7.22:1).
About this color
#25A1DD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.135 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.050 away. Black text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #25A1DD |
| RGB | rgb(37, 161, 221) |
| HSL | hsl(200, 73%, 51%) |
| OKLCH | oklch(67.2% 0.135 236.1) |
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 #25A1DD | 2.90:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #25A1DD | 7.22:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #25A1DD text on white | 2.90:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #25A1DD text on black | 7.22:1 | AAA | Lc -46.9 | 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
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF8
oklch(93.6% 0.024 234.4)
-
Step 200
200
#BDDFF4
oklch(88.6% 0.046 235.2)
-
Step 300
300
#8BCAF0
oklch(81% 0.084 235.7)
-
Step 400
400 (this color)
#25A1DD
oklch(67.2% 0.135 236.1)
-
Step 500
500
#0094D0
oklch(63.1% 0.136 236.2)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004767
oklch(37.7% 0.082 236.6)
-
Step 950
950
#002A3F
oklch(27% 0.059 236.5)
#25A1DD 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) | #84A1E0 | 0.079 |
| Deuteranopia (no green cones) | #6C90DC | 0.065 |
| Tritanopia (no blue cones) | #00B1B6 | 0.085 |
| Achromatopsia (no color) | #979797 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25A1DD
#25A1DD
oklch(67.2% 0.135 236.1)
- #D37D38
#D37D38
oklch(67.1% 0.135 56.1)
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 #25A1DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.050
- Dark Sky Blue #448EE4 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.067
- Faded Blue #658CBB ΔE 0.073
- Water Blue #0E87CC ΔE 0.075
- Dodger Blue #1E90FF ΔE 0.076
- Soft Blue #6488EA ΔE 0.082
Use #25A1DD 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.