#009AEB
Closest named color: Chefchaouen Blue (#4895EF). oklch(65.9% 0.16 243.1), rgb(0, 154, 235).
Aa
Black text reads best on this color (6.82:1).
About this color
#009AEB is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.160 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.031 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #009AEB |
| RGB | rgb(0, 154, 235) |
| HSL | hsl(201, 100%, 46%) |
| OKLCH | oklch(65.9% 0.16 243.1) |
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 #009AEB | 3.07:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #009AEB | 6.82:1 | AA | Lc 47.1 | Large or bold text, headings |
| #009AEB text on white | 3.07:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #009AEB text on black | 6.82:1 | AA | Lc -44.8 | Non-text elements, placeholder text |
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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C1DDF4
oklch(88.4% 0.044 243)
-
Step 300
300
#95C7F0
oklch(80.9% 0.078 243.7)
-
Step 400
400
#52A9E8
oklch(70.8% 0.125 242.8)
-
Step 500
500 (this color)
#009AEB
oklch(65.9% 0.16 243.1)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#00456E
oklch(37.6% 0.092 243.7)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#009AEB 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) | #739DEE | 0.071 |
| Deuteranopia (no green cones) | #548BE9 | 0.050 |
| Tritanopia (no blue cones) | #00AEB7 | 0.109 |
| Achromatopsia (no color) | #939393 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009AEB
#009AEB
oklch(65.9% 0.16 243.1)
- #D17A00
#D17A00
oklch(66% 0.15 63.1)
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 #009AEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.053
- Water Blue #0E87CC ΔE 0.064
- Soft Blue #6488EA ΔE 0.066
- Faded Blue #658CBB ΔE 0.084
- Cool Blue #4984B8 ΔE 0.087
Use #009AEB 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.