#00A5D9
Closest named color: Turquoise Blue (#06B1C4). oklch(67.6% 0.134 229.7), rgb(0, 165, 217).
Aa
Black text reads best on this color (7.38:1).
About this color
#00A5D9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.134 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.053 away. Black text reads best on it, at 7.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #00A5D9 |
| RGB | rgb(0, 165, 217) |
| HSL | hsl(194, 100%, 43%) |
| OKLCH | oklch(67.6% 0.134 229.7) |
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 #00A5D9 | 2.84:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #00A5D9 | 7.38:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #00A5D9 text on white | 2.84:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #00A5D9 text on black | 7.38:1 | AAA | Lc -48.0 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF7
oklch(93.5% 0.024 230.4)
-
Step 200
200
#BBE0F2
oklch(88.6% 0.046 228.9)
-
Step 300
300
#86CBEC
oklch(80.8% 0.084 229.7)
-
Step 400
400 (this color)
#00A5D9
oklch(67.6% 0.134 229.7)
-
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
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#00A5D9 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) | #8AA3DB | 0.092 |
| Deuteranopia (no green cones) | #7192D8 | 0.077 |
| Tritanopia (no blue cones) | #00B3B7 | 0.074 |
| Achromatopsia (no color) | #999999 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A5D9
#00A5D9
oklch(67.6% 0.134 229.7)
- #D87C44
#D87C44
oklch(67.7% 0.134 50.1)
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 #00A5D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.065
- Dark Sky Blue #448EE4 ΔE 0.071
- Cornflower Blue #6495ED ΔE 0.075
- Greyblue #77A1B5 ΔE 0.081
- Faded Blue #658CBB ΔE 0.081
- Deep Sky Blue #00BFFF ΔE 0.082
- Water Blue #0E87CC ΔE 0.084
Use #00A5D9 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.