#31A1CD
Closest named color: Turquoise Blue (#06B1C4). oklch(66.7% 0.116 229.2), rgb(49, 161, 205).
Aa
Black text reads best on this color (7.11:1).
About this color
#31A1CD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.116 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.052 away. Black text reads best on it, at 7.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #31A1CD |
| RGB | rgb(49, 161, 205) |
| HSL | hsl(197, 61%, 50%) |
| OKLCH | oklch(66.7% 0.116 229.2) |
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 #31A1CD | 2.95:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #31A1CD | 7.11:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #31A1CD text on white | 2.95:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #31A1CD text on black | 7.11:1 | AAA | Lc -46.1 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DEEA
oklch(88.6% 0.031 228.2)
-
Step 300
300
#9BC8DE
oklch(80.8% 0.057 229.4)
-
Step 400
400
#5FACCE
oklch(70.8% 0.091 228.7)
-
Step 500
500 (this color)
#31A1CD
oklch(66.7% 0.116 229.2)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#062B39
oklch(27.1% 0.048 228.1)
#31A1CD 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) | #8A9FCF | 0.082 |
| Deuteranopia (no green cones) | #7590CC | 0.069 |
| Tritanopia (no blue cones) | #00ADB0 | 0.065 |
| Achromatopsia (no color) | #969696 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A1CD
#31A1CD
oklch(66.7% 0.116 229.2)
- #CD7D50
#CD7D50
oklch(66.6% 0.116 49.2)
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 #31A1CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.052
- Faded Blue #658CBB ΔE 0.064
- Greyblue #77A1B5 ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.069
- Cadet Blue #5F9EA0 ΔE 0.070
- Dark Sky Blue #448EE4 ΔE 0.070
- Blue NCS #118AB2 ΔE 0.074
- Cornflower Blue #6495ED ΔE 0.076
Use #31A1CD 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.