#009CD5
Closest named color: Dark Sky Blue (#448EE4). oklch(65.2% 0.136 233.5), rgb(0, 156, 213).
Aa
Black text reads best on this color (6.71:1).
About this color
#009CD5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.136 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.054 away. Black text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #009CD5 |
| RGB | rgb(0, 156, 213) |
| HSL | hsl(196, 100%, 42%) |
| OKLCH | oklch(65.2% 0.136 233.5) |
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 #009CD5 | 3.12:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #009CD5 | 6.71:1 | AA | Lc 46.4 | Large or bold text, headings |
| #009CD5 text on white | 3.12:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #009CD5 text on black | 6.71:1 | AA | Lc -44.1 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C2DEEE
oklch(88.5% 0.037 232.9)
-
Step 300
300
#96C9E5
oklch(81% 0.066 232.7)
-
Step 400
400
#55ABD8
oklch(70.6% 0.106 233.9)
-
Step 500
500 (this color)
#009CD5
oklch(65.2% 0.136 233.5)
-
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
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#009CD5 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) | #7F9BD8 | 0.084 |
| Deuteranopia (no green cones) | #678AD4 | 0.070 |
| Tritanopia (no blue cones) | #00ABB0 | 0.081 |
| Achromatopsia (no color) | #929292 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009CD5
#009CD5
oklch(65.2% 0.136 233.5)
- #CF7635
#CF7635
oklch(65.3% 0.136 53.6)
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 #009CD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.056
- Water Blue #0E87CC ΔE 0.058
- Blue NCS #118AB2 ΔE 0.066
- Faded Blue #658CBB ΔE 0.068
- Cornflower Blue #6495ED ΔE 0.070
- Cool Blue #4984B8 ΔE 0.072
- Turquoise Blue #06B1C4 ΔE 0.072
Use #009CD5 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.