#00A9E7
Closest named color: Chefchaouen Blue (#4895EF). oklch(69.2% 0.145 233.8), rgb(0, 169, 231).
Aa
Black text reads best on this color (7.82:1).
About this color
#00A9E7 is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.145 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.061 away. Black text reads best on it, at 7.82:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.82:1 |
| White text | 2.68:1 |
Values
| HEX | #00A9E7 |
| RGB | rgb(0, 169, 231) |
| HSL | hsl(196, 100%, 45%) |
| OKLCH | oklch(69.2% 0.145 233.8) |
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 #00A9E7 | 2.68:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #00A9E7 | 7.82:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #00A9E7 text on white | 2.68:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #00A9E7 text on black | 7.82:1 | AAA | Lc -50.5 | 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
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200
#BADFF6
oklch(88.4% 0.05 235.4)
-
Step 300
300
#84CBF2
oklch(80.9% 0.09 233.5)
-
Step 400
400 (this color)
#00A9E7
oklch(69.2% 0.145 233.8)
-
Step 500
500
#0095CC
oklch(63.1% 0.132 233.7)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#004865
oklch(37.8% 0.079 233.7)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#00A9E7 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) | #8AA8EA | 0.089 |
| Deuteranopia (no green cones) | #6F96E6 | 0.073 |
| Tritanopia (no blue cones) | #00B9BE | 0.087 |
| Achromatopsia (no color) | #9E9E9E | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00A9E7
#00A9E7
oklch(69.2% 0.145 233.8)
- #E08039
#E08039
oklch(69.3% 0.145 53.8)
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 #00A9E7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.063
- Deep Sky Blue #00BFFF ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.070
- Dark Sky Blue #448EE4 ΔE 0.073
- Dodger Blue #1E90FF ΔE 0.083
- Greyblue #77A1B5 ΔE 0.091
- Faded Blue #658CBB ΔE 0.095
Use #00A9E7 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.