#2CA3B7
Closest named color: Turquoise Blue (#06B1C4). oklch(66.1% 0.104 211.6), rgb(44, 163, 183).
Aa
Black text reads best on this color (7.02:1).
About this color
#2CA3B7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.104 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.039 away. Black text reads best on it, at 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #2CA3B7 |
| RGB | rgb(44, 163, 183) |
| HSL | hsl(189, 61%, 45%) |
| OKLCH | oklch(66.1% 0.104 211.6) |
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 #2CA3B7 | 2.98:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #2CA3B7 | 7.02:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #2CA3B7 text on white | 2.98:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #2CA3B7 text on black | 7.02:1 | AAA | Lc -45.7 | Large or bold text, headings |
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
#9BCAD4
oklch(80.9% 0.051 212.1)
-
Step 400
400
#5EAEBE
oklch(70.6% 0.082 212.1)
-
Step 500
500 (this color)
#2CA3B7
oklch(66.1% 0.104 211.6)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#052C32
oklch(27% 0.043 210.1)
#2CA3B7 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) | #939DB8 | 0.096 |
| Deuteranopia (no green cones) | #808FB7 | 0.088 |
| Tritanopia (no blue cones) | #00ABA9 | 0.038 |
| Achromatopsia (no color) | #959595 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2CA3B7
#2CA3B7
oklch(66.1% 0.104 211.6)
- #CA796A
#CA796A
oklch(66% 0.105 31.3)
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 #2CA3B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.054
- Sea #3C9992 ΔE 0.054
- Persian Green #2A9D8F ΔE 0.059
- Greyblue #77A1B5 ΔE 0.060
- Dull Teal #5F9E8F ΔE 0.062
- Teal Green #0A9396 ΔE 0.064
Use #2CA3B7 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.