#12A7BB
Closest named color: Turquoise Blue (#06B1C4). oklch(66.8% 0.113 210.1), rgb(18, 167, 187).
Aa
Black text reads best on this color (7.27:1).
About this color
#12A7BB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.113 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.028 away. Black text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #12A7BB |
| RGB | rgb(18, 167, 187) |
| HSL | hsl(187, 82%, 40%) |
| OKLCH | oklch(66.8% 0.113 210.1) |
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 #12A7BB | 2.88:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #12A7BB | 7.27:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #12A7BB text on white | 2.88:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #12A7BB text on black | 7.27:1 | AAA | Lc -47.2 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDF0
oklch(93.6% 0.016 211)
-
Step 200
200
#C3DFE4
oklch(88.5% 0.03 209.6)
-
Step 300
300
#97CBD4
oklch(80.9% 0.055 209.3)
-
Step 400
400
#56B0BF
oklch(70.8% 0.088 209.8)
-
Step 500
500 (this color)
#12A7BB
oklch(66.8% 0.113 210.1)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#12A7BB 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) | #96A0BC | 0.106 |
| Deuteranopia (no green cones) | #8291BB | 0.098 |
| Tritanopia (no blue cones) | #00B0AD | 0.039 |
| Achromatopsia (no color) | #989898 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12A7BB
#12A7BB
oklch(66.8% 0.113 210.1)
- #D1796B
#D1796B
oklch(66.9% 0.113 29.9)
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 #12A7BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.028
- Light Sea Green #20B2AA ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.052
- Sea #3C9992 ΔE 0.062
- Persian Green #2A9D8F ΔE 0.064
- Greyblue #77A1B5 ΔE 0.066
- Topaz #13BBAF ΔE 0.067
- Dull Teal #5F9E8F ΔE 0.069
Use #12A7BB 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.