#008FCE
Closest named color: Water Blue (#0E87CC). oklch(61.8% 0.138 238.3), rgb(0, 143, 206).
Aa
Black text reads best on this color (5.82:1).
About this color
#008FCE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.138 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.022 away. Black text reads best on it, at 5.82:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #008FCE |
| RGB | rgb(0, 143, 206) |
| HSL | hsl(198, 100%, 40%) |
| OKLCH | oklch(61.8% 0.138 238.3) |
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 #008FCE | 3.60:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #008FCE | 5.82:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #008FCE text on white | 3.60:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #008FCE text on black | 5.82:1 | AA | Lc -38.7 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C3DDEF
oklch(88.4% 0.037 238.1)
-
Step 300
300
#98C8E8
oklch(81% 0.068 237.9)
-
Step 400
400
#5AAADC
oklch(70.7% 0.107 238.3)
-
Step 500
500 (this color)
#008FCE
oklch(61.8% 0.138 238.3)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#032A3F
oklch(27.1% 0.057 238)
#008FCE 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) | #7090D1 | 0.073 |
| Deuteranopia (no green cones) | #577FCD | 0.058 |
| Tritanopia (no blue cones) | #009FA5 | 0.089 |
| Achromatopsia (no color) | #878787 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #008FCE
#008FCE
oklch(61.8% 0.138 238.3)
- #C16D1B
#C16D1B
oklch(61.7% 0.138 58.2)
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 #008FCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.022
- Blue NCS #118AB2 ΔE 0.042
- Cool Blue #4984B8 ΔE 0.046
- Dark Sky Blue #448EE4 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.051
- Off Blue #5684AE ΔE 0.061
- Faded Blue #658CBB ΔE 0.062
- Windows Blue #3778BF ΔE 0.063
Use #008FCE 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.