#12DAF2
Closest named color: Aqua Blue (#02D8E9). oklch(81.4% 0.139 209), rgb(18, 218, 242).
Aa
Black text reads best on this color (12.33:1).
About this color
#12DAF2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.139 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.013 away. Black text reads best on it, at 12.33:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.33:1 |
| White text | 1.70:1 |
Values
| HEX | #12DAF2 |
| RGB | rgb(18, 218, 242) |
| HSL | hsl(186, 90%, 51%) |
| OKLCH | oklch(81.4% 0.139 209) |
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 #12DAF2 | 1.70:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #12DAF2 | 12.33:1 | AAA | Lc 74.0 | Content text, not long reading |
| #12DAF2 text on white | 1.70:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #12DAF2 text on black | 12.33:1 | AAA | Lc -73.0 | Content text, not long reading |
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 300.
-
Step 50
50
#E8F9FC
oklch(97% 0.018 209.4)
-
Step 100
100
#CCF2F8
oklch(93.6% 0.04 208.1)
-
Step 200
200
#9BE8F4
oklch(88.5% 0.077 208.2)
-
Step 300
300 (this color)
#12DAF2
oklch(81.4% 0.139 209)
-
Step 400
400
#00B5C9
oklch(70.8% 0.122 208.7)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#12DAF2 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) | #C5D1F3 | 0.132 |
| Deuteranopia (no green cones) | #AABEF2 | 0.120 |
| Tritanopia (no blue cones) | #00E5E1 | 0.045 |
| Achromatopsia (no color) | #C6C6C6 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12DAF2
#12DAF2
oklch(81.4% 0.139 209)
- #FFA89B
#FFA89B
oklch(81.4% 0.105 28.9)
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 #12DAF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.013
- Vivid Sky Blue #4CC9F0 ΔE 0.047
- Bright Sky Blue #02CCFE ΔE 0.047
- Dark Turquoise #00CED1 ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.052
- Turquoise #40E0D0 ΔE 0.057
- Sky Blue #87CEEB ΔE 0.065
- Lightblue #7BC8F6 ΔE 0.069
Use #12DAF2 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.