#09A9EA
Closest named color: Chefchaouen Blue (#4895EF). oklch(69.4% 0.147 235.3), rgb(9, 169, 234).
Aa
Black text reads best on this color (7.87:1).
About this color
#09A9EA is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.147 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.058 away. Black text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #09A9EA |
| RGB | rgb(9, 169, 234) |
| HSL | hsl(197, 93%, 48%) |
| OKLCH | oklch(69.4% 0.147 235.3) |
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 #09A9EA | 2.66:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #09A9EA | 7.87:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #09A9EA text on white | 2.66:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #09A9EA text on black | 7.87:1 | AAA | Lc -50.7 | 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
#EEF7FD
oklch(97.1% 0.013 236.6)
-
Step 100
100
#DAEDF9
oklch(93.6% 0.026 235.4)
-
Step 200
200
#BADFF7
oklch(88.5% 0.051 236.6)
-
Step 300
300
#84CAF4
oklch(80.8% 0.092 235.9)
-
Step 400
400 (this color)
#09A9EA
oklch(69.4% 0.147 235.3)
-
Step 500
500
#0094CF
oklch(63% 0.135 235.8)
-
Step 600
600
#007DAE
oklch(55.7% 0.118 234.9)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#002A3E
oklch(26.9% 0.057 235.2)
#09A9EA 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) | #89A8ED | 0.087 |
| Deuteranopia (no green cones) | #6E96E9 | 0.071 |
| Tritanopia (no blue cones) | #00BAC0 | 0.090 |
| Achromatopsia (no color) | #9E9E9E | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09A9EA
#09A9EA
oklch(69.4% 0.147 235.3)
- #E08134
#E08134
oklch(69.4% 0.146 55.6)
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 #09A9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.058
- Deep Sky Blue #00BFFF ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.067
- Cornflower Blue #6495ED ΔE 0.068
- Dark Sky Blue #448EE4 ΔE 0.072
- Dodger Blue #1E90FF ΔE 0.080
- Greyblue #77A1B5 ΔE 0.093
- Soft Blue #6488EA ΔE 0.095
Use #09A9EA 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.