#008191
Closest named color: Ocean (#017B92). oklch(55.3% 0.096 209.9), rgb(0, 129, 145).
Aa
White text reads best on this color (4.61:1).
About this color
#008191 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.096 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.019 away. White text reads best on it, at 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #008191 |
| RGB | rgb(0, 129, 145) |
| HSL | hsl(187, 100%, 28%) |
| OKLCH | oklch(55.3% 0.096 209.9) |
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 #008191 | 4.61:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #008191 | 4.54:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #008191 text on white | 4.61:1 | AA | Lc 71.5 | Content text, not long reading |
| #008191 text on black | 4.54:1 | AA | Lc -30.2 | 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 600.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300
#A1C9D0
oklch(80.9% 0.043 209.4)
-
Step 400
400
#6BADB8
oklch(70.8% 0.069 209.2)
-
Step 500
500
#3C98A7
oklch(63.1% 0.088 210)
-
Step 600
600 (this color)
#008191
oklch(55.3% 0.096 209.9)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#015A65
oklch(42.8% 0.074 209.2)
-
Step 900
900
#124A52
oklch(37.8% 0.057 208.9)
-
Step 950
950
#0D2B30
oklch(26.9% 0.036 210.1)
#008191 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) | #747C92 | 0.090 |
| Deuteranopia (no green cones) | #637091 | 0.081 |
| Tritanopia (no blue cones) | #008886 | 0.032 |
| Achromatopsia (no color) | #757575 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #008191
#008191
oklch(55.3% 0.096 209.9)
- #A35C50
#A35C50
oklch(55.4% 0.096 30.6)
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 #008191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.019
- Teal Blue #01889F ΔE 0.027
- Teal #008080 ΔE 0.027
- Deep Aqua #08787F ΔE 0.034
- Dark Cyan #008B8B ΔE 0.035
- Bluegreen #017A79 ΔE 0.039
- Sea Blue #047495 ΔE 0.042
- Cerulean #457B9D ΔE 0.046
Use #008191 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.