#00879D
Closest named color: Teal Blue (#01889F). oklch(57.3% 0.101 214.5), rgb(0, 135, 157).
Aa
Black text reads best on this color (4.95:1).
About this color
#00879D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.101 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.004 away. Black text reads best on it, at 4.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.95:1 |
| White text | 4.24:1 |
Values
| HEX | #00879D |
| RGB | rgb(0, 135, 157) |
| HSL | hsl(188, 100%, 31%) |
| OKLCH | oklch(57.3% 0.101 214.5) |
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 #00879D | 4.24:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #00879D | 4.95:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #00879D text on white | 4.24:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #00879D text on black | 4.95:1 | AA | Lc -33.0 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#A0C9D3
oklch(81% 0.046 214.2)
-
Step 400
400
#68ADBD
oklch(70.8% 0.073 214.2)
-
Step 500
500
#3798AC
oklch(63.2% 0.093 214)
-
Step 600
600 (this color)
#00879D
oklch(57.3% 0.101 214.5)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#0E4A55
oklch(37.8% 0.06 213.2)
-
Step 950
950
#0C2B32
oklch(27% 0.038 215.2)
#00879D 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) | #77829E | 0.090 |
| Deuteranopia (no green cones) | #66759D | 0.082 |
| Tritanopia (no blue cones) | #008F8E | 0.039 |
| Achromatopsia (no color) | #7B7B7B | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00879D
#00879D
oklch(57.3% 0.101 214.5)
- #AB614F
#AB614F
oklch(57.3% 0.101 34.6)
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 #00879D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.004
- Blue NCS #118AB2 ΔE 0.033
- Dark Cyan #008B8B ΔE 0.034
- Ocean #017B92 ΔE 0.037
- Teal Green #0A9396 ΔE 0.042
- Cerulean #457B9D ΔE 0.045
- Teal #008080 ΔE 0.046
- Stormy Blue #507B9C ΔE 0.052
Use #00879D 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.