#31BADD
Closest named color: Turquoise Blue (#06B1C4). oklch(73.3% 0.122 219.6), rgb(49, 186, 221).
Aa
Black text reads best on this color (9.19:1).
About this color
#31BADD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.122 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.044 away. Black text reads best on it, at 9.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 9.19:1 |
| White text | 2.28:1 |
Values
| HEX | #31BADD |
| RGB | rgb(49, 186, 221) |
| HSL | hsl(192, 72%, 53%) |
| OKLCH | oklch(73.3% 0.122 219.6) |
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 #31BADD | 2.28:1 | Fails | Lc -49.4 | Large or bold text, headings |
| Black text on #31BADD | 9.19:1 | AAA | Lc 59.4 | Large or bold text, headings |
| #31BADD text on white | 2.28:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #31BADD text on black | 9.19:1 | AAA | Lc -57.5 | 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 400.
-
Step 50
50
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DBEEF4
oklch(93.7% 0.022 218.6)
-
Step 200
200
#BBE0EC
oklch(88.4% 0.042 219.4)
-
Step 300
300
#87CDE2
oklch(80.9% 0.076 218.8)
-
Step 400
400 (this color)
#31BADD
oklch(73.3% 0.122 219.6)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#31BADD 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) | #A4B5DF | 0.101 |
| Deuteranopia (no green cones) | #8EA4DD | 0.092 |
| Tritanopia (no blue cones) | #00C5C5 | 0.055 |
| Achromatopsia (no color) | #ACACAC | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BADD
#31BADD
oklch(73.3% 0.122 219.6)
- #E98D6D
#E98D6D
oklch(73.3% 0.121 39.9)
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 #31BADD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.044
- Deep Sky Blue #00BFFF ΔE 0.048
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Bright Sky Blue #02CCFE ΔE 0.059
- Dark Turquoise #00CED1 ΔE 0.064
- Topaz #13BBAF ΔE 0.072
- Light Sea Green #20B2AA ΔE 0.076
- Lightblue #7BC8F6 ΔE 0.077
Use #31BADD 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.