#2A8490
Closest named color: Teal Blue (#01889F). oklch(56.6% 0.084 207.8), rgb(42, 132, 144).
Aa
Black text reads best on this color (4.80:1).
About this color
#2A8490 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.084 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.024 away. Black text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #2A8490 |
| RGB | rgb(42, 132, 144) |
| HSL | hsl(187, 55%, 36%) |
| OKLCH | oklch(56.6% 0.084 207.8) |
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 #2A8490 | 4.37:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #2A8490 | 4.80:1 | AA | Lc 34.1 | Non-text elements, placeholder text |
| #2A8490 text on white | 4.37:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #2A8490 text on black | 4.80:1 | AA | Lc -31.7 | 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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE0
oklch(88.4% 0.021 208.1)
-
Step 300
300
#A5C8CD
oklch(80.9% 0.038 207)
-
Step 400
400
#73ACB4
oklch(70.8% 0.06 207)
-
Step 500
500
#4A97A2
oklch(63.2% 0.077 207.7)
-
Step 600
600 (this color)
#2A8490
oklch(56.6% 0.084 207.8)
-
Step 700
700
#166D78
oklch(49.2% 0.078 207.9)
-
Step 800
800
#175961
oklch(42.8% 0.065 206.9)
-
Step 900
900
#1B494F
oklch(37.7% 0.05 207)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#2A8490 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) | #787F91 | 0.080 |
| Deuteranopia (no green cones) | #6A7490 | 0.074 |
| Tritanopia (no blue cones) | #008A88 | 0.028 |
| Achromatopsia (no color) | #797979 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A8490
#2A8490
oklch(56.6% 0.084 207.8)
- #A2635B
#A2635B
oklch(56.7% 0.083 27.8)
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 #2A8490, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.024
- Dark Cyan #008B8B ΔE 0.027
- Teal #008080 ΔE 0.032
- Ocean #017B92 ΔE 0.034
- Teal Green #0A9396 ΔE 0.043
- Cerulean #457B9D ΔE 0.043
- Deep Aqua #08787F ΔE 0.045
- Bluegreen #017A79 ΔE 0.047
Use #2A8490 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.