#009CBC
Closest named color: Blue NCS (#118AB2). oklch(64% 0.116 219.3), rgb(0, 156, 188).
Aa
Black text reads best on this color (6.48:1).
About this color
#009CBC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.116 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.051 away. Black text reads best on it, at 6.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #009CBC |
| RGB | rgb(0, 156, 188) |
| HSL | hsl(190, 100%, 37%) |
| OKLCH | oklch(64% 0.116 219.3) |
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 #009CBC | 3.23:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #009CBC | 6.48:1 | AA | Lc 45.0 | Large or bold text, headings |
| #009CBC text on white | 3.23:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #009CBC text on black | 6.48:1 | AA | Lc -42.7 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C3DFE7
oklch(88.6% 0.032 216.8)
-
Step 300
300
#98CADA
oklch(80.9% 0.057 219.5)
-
Step 400
400
#57AEC7
oklch(70.7% 0.091 219.1)
-
Step 500
500 (this color)
#009CBC
oklch(64% 0.116 219.3)
-
Step 600
600
#00809B
oklch(55.5% 0.101 219.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#012C36
oklch(27.1% 0.048 217.8)
#009CBC 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) | #8897BE | 0.097 |
| Deuteranopia (no green cones) | #7388BC | 0.087 |
| Tritanopia (no blue cones) | #00A6A6 | 0.051 |
| Achromatopsia (no color) | #8F8F8F | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #009CBC
#009CBC
oklch(64% 0.116 219.3)
- #C77255
#C77255
oklch(64% 0.116 39.5)
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 #009CBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.051
- Teal Green #0A9396 ΔE 0.058
- Turquoise Blue #06B1C4 ΔE 0.060
- Cadet Blue #5F9EA0 ΔE 0.062
- Sea #3C9992 ΔE 0.063
- Teal Blue #01889F ΔE 0.065
- Faded Blue #658CBB ΔE 0.067
- Dusty Blue #5A86AD ΔE 0.069
Use #009CBC 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.