#2D9CB3
Closest named color: Cadet Blue (#5F9EA0). oklch(64.2% 0.101 215), rgb(45, 156, 179).
Aa
Black text reads best on this color (6.51:1).
About this color
#2D9CB3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.101 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.046 away. Black text reads best on it, at 6.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #2D9CB3 |
| RGB | rgb(45, 156, 179) |
| HSL | hsl(190, 60%, 44%) |
| OKLCH | oklch(64.2% 0.101 215) |
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 #2D9CB3 | 3.22:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #2D9CB3 | 6.51:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #2D9CB3 text on white | 3.22:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #2D9CB3 text on black | 6.51:1 | AA | Lc -42.6 | 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
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300
#9DC9D5
oklch(80.9% 0.049 216.3)
-
Step 400
400
#62ADBF
oklch(70.6% 0.079 215)
-
Step 500
500 (this color)
#2D9CB3
oklch(64.2% 0.101 215)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#014A57
oklch(37.7% 0.066 214.6)
-
Step 950
950
#072B33
oklch(26.8% 0.042 215.9)
#2D9CB3 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) | #8C97B4 | 0.090 |
| Deuteranopia (no green cones) | #7A8AB3 | 0.081 |
| Tritanopia (no blue cones) | #00A5A3 | 0.043 |
| Achromatopsia (no color) | #8F8F8F | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D9CB3
#2D9CB3
oklch(64.2% 0.101 215)
- #C27562
#C27562
oklch(64.1% 0.102 34.7)
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 #2D9CB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.046
- Sea #3C9992 ΔE 0.048
- Teal Green #0A9396 ΔE 0.050
- Blue NCS #118AB2 ΔE 0.056
- Persian Green #2A9D8F ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.058
- Blue Green #0F9B8E ΔE 0.059
- Dull Teal #5F9E8F ΔE 0.064
Use #2D9CB3 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.