#2AA0B3
Closest named color: Cadet Blue (#5F9EA0). oklch(65.1% 0.103 211), rgb(42, 160, 179).
Aa
Black text reads best on this color (6.77:1).
About this color
#2AA0B3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.103 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.042 away. Black text reads best on it, at 6.77:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.77:1 |
| White text | 3.09:1 |
Values
| HEX | #2AA0B3 |
| RGB | rgb(42, 160, 179) |
| HSL | hsl(188, 62%, 43%) |
| OKLCH | oklch(65.1% 0.103 211) |
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 #2AA0B3 | 3.09:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #2AA0B3 | 6.77:1 | AA | Lc 46.5 | Large or bold text, headings |
| #2AA0B3 text on white | 3.09:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #2AA0B3 text on black | 6.77:1 | AA | Lc -44.2 | 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 500.
-
Step 50
50
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C5DFE4
oklch(88.6% 0.028 210.5)
-
Step 300
300
#9CCAD3
oklch(80.9% 0.05 210.9)
-
Step 400
400
#5FAEBD
oklch(70.6% 0.081 211.3)
-
Step 500
500 (this color)
#2AA0B3
oklch(65.1% 0.103 211)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#062C32
oklch(27% 0.042 210.3)
#2AA0B3 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) | #919AB4 | 0.097 |
| Deuteranopia (no green cones) | #7E8CB3 | 0.088 |
| Tritanopia (no blue cones) | #00A8A6 | 0.036 |
| Achromatopsia (no color) | #929292 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2AA0B3
#2AA0B3
oklch(65.1% 0.103 211)
- #C67769
#C67769
oklch(65.1% 0.102 30.8)
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 #2AA0B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.042
- Sea #3C9992 ΔE 0.048
- Turquoise Blue #06B1C4 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.054
- Teal Green #0A9396 ΔE 0.055
- Blue Green #0F9B8E ΔE 0.057
- Light Sea Green #20B2AA ΔE 0.059
- Dull Teal #5F9E8F ΔE 0.060
Use #2AA0B3 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.