#008BC0
Closest named color: Blue NCS (#118AB2). oklch(60% 0.126 234.4), rgb(0, 139, 192).
Aa
Black text reads best on this color (5.45:1).
About this color
#008BC0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.126 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Blue NCS (#118AB2), ΔE 0.021 away. Black text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Blue NCS (#118AB2) |
| Black text | 5.45:1 |
| White text | 3.85:1 |
Values
| HEX | #008BC0 |
| RGB | rgb(0, 139, 192) |
| HSL | hsl(197, 100%, 38%) |
| OKLCH | oklch(60% 0.126 234.4) |
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 #008BC0 | 3.85:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #008BC0 | 5.45:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #008BC0 text on white | 3.85:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #008BC0 text on black | 5.45:1 | AA | Lc -36.3 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DDED
oklch(88.4% 0.035 235.9)
-
Step 300
300
#9AC8E3
oklch(80.9% 0.062 234.3)
-
Step 400
400
#5DABD5
oklch(70.8% 0.099 234.1)
-
Step 500
500 (this color)
#008BC0
oklch(60% 0.126 234.4)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005679
oklch(42.8% 0.09 234.7)
-
Step 900
900
#004765
oklch(37.6% 0.08 234.9)
-
Step 950
950
#052A3C
oklch(27% 0.052 234.9)
#008BC0 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) | #718AC2 | 0.077 |
| Deuteranopia (no green cones) | #5A7BBF | 0.063 |
| Tritanopia (no blue cones) | #00999D | 0.077 |
| Achromatopsia (no color) | #828282 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #008BC0
#008BC0
oklch(60% 0.126 234.4)
- #B9692C
#B9692C
oklch(60.1% 0.126 54.4)
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 #008BC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue NCS #118AB2 ΔE 0.021
- Water Blue #0E87CC ΔE 0.024
- Cool Blue #4984B8 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.037
- Off Blue #5684AE ΔE 0.050
- Nice Blue #107AB0 ΔE 0.050
- Teal Blue #01889F ΔE 0.051
- Dusty Blue #5A86AD ΔE 0.054
Use #008BC0 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.