#00A1D7
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.5% 0.135 231.3), rgb(0, 161, 215).
Aa
Black text reads best on this color (7.07:1).
About this color
#00A1D7 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.135 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.060 away. Black text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #00A1D7 |
| RGB | rgb(0, 161, 215) |
| HSL | hsl(195, 100%, 42%) |
| OKLCH | oklch(66.5% 0.135 231.3) |
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 #00A1D7 | 2.96:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #00A1D7 | 7.07:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #00A1D7 text on white | 2.96:1 | Fails | Lc 55.5 | Large or bold text, headings |
| #00A1D7 text on black | 7.07:1 | 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
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C2DEED
oklch(88.5% 0.036 231.1)
-
Step 300
300
#95C9E4
oklch(80.9% 0.066 231.2)
-
Step 400
400
#52ACD6
oklch(70.6% 0.105 231.1)
-
Step 500
500 (this color)
#00A1D7
oklch(66.5% 0.135 231.3)
-
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
#005776
oklch(42.8% 0.087 231.2)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#00A1D7 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) | #859FDA | 0.088 |
| Deuteranopia (no green cones) | #6D8ED6 | 0.075 |
| Tritanopia (no blue cones) | #00B0B3 | 0.079 |
| Achromatopsia (no color) | #969696 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A1D7
#00A1D7
oklch(66.5% 0.135 231.3)
- #D4793E
#D4793E
oklch(66.6% 0.135 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 #00A1D7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.063
- Cornflower Blue #6495ED ΔE 0.072
- Water Blue #0E87CC ΔE 0.072
- Faded Blue #658CBB ΔE 0.074
- Blue NCS #118AB2 ΔE 0.077
- Greyblue #77A1B5 ΔE 0.083
Use #00A1D7 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.