#00A1C9
Closest named color: Turquoise Blue (#06B1C4). oklch(65.9% 0.123 223.7), rgb(0, 161, 201).
Aa
Black text reads best on this color (6.94:1).
About this color
#00A1C9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.123 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.050 away. Black text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #00A1C9 |
| RGB | rgb(0, 161, 201) |
| HSL | hsl(192, 100%, 39%) |
| OKLCH | oklch(65.9% 0.123 223.7) |
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 #00A1C9 | 3.02:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #00A1C9 | 6.94:1 | AA | Lc 47.7 | Large or bold text, headings |
| #00A1C9 text on white | 3.02:1 | AA large text | Lc 56.3 | Large or bold text, headings |
| #00A1C9 text on black | 6.94:1 | AA | Lc -45.4 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200
#C2DEEA
oklch(88.4% 0.034 225.5)
-
Step 300
300
#96CADE
oklch(81% 0.061 223.7)
-
Step 400
400
#54AECD
oklch(70.8% 0.097 223.4)
-
Step 500
500 (this color)
#00A1C9
oklch(65.9% 0.123 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#00A1C9 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) | #8A9DCB | 0.095 |
| Deuteranopia (no green cones) | #748DC9 | 0.084 |
| Tritanopia (no blue cones) | #00ADAE | 0.062 |
| Achromatopsia (no color) | #949494 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A1C9
#00A1C9
oklch(65.9% 0.123 223.7)
- #D07750
#D07750
oklch(66% 0.124 43.8)
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 #00A1C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.050
- Blue NCS #118AB2 ΔE 0.068
- Cadet Blue #5F9EA0 ΔE 0.070
- Faded Blue #658CBB ΔE 0.072
- Greyblue #77A1B5 ΔE 0.075
- Water Blue #0E87CC ΔE 0.076
- Dark Sky Blue #448EE4 ΔE 0.077
- Light Sea Green #20B2AA ΔE 0.079
Use #00A1C9 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.