#2AB5DB
Closest named color: Turquoise Blue (#06B1C4). oklch(71.9% 0.123 221.6), rgb(42, 181, 219).
Aa
Black text reads best on this color (8.73:1).
About this color
#2AB5DB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.123 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.037 away. Black text reads best on it, at 8.73:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.73:1 |
| White text | 2.40:1 |
Values
| HEX | #2AB5DB |
| RGB | rgb(42, 181, 219) |
| HSL | hsl(193, 71%, 51%) |
| OKLCH | oklch(71.9% 0.123 221.6) |
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 #2AB5DB | 2.40:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #2AB5DB | 8.73:1 | AAA | Lc 57.1 | Large or bold text, headings |
| #2AB5DB text on white | 2.40:1 | Fails | Lc 46.9 | Large or bold text, headings |
| #2AB5DB text on black | 8.73:1 | AAA | Lc -55.1 | 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 400.
-
Step 50
50
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DBEEF5
oklch(93.7% 0.022 221.8)
-
Step 200
200
#BBE0EE
oklch(88.5% 0.043 222.8)
-
Step 300
300
#87CCE4
oklch(80.8% 0.077 221.9)
-
Step 400
400 (this color)
#2AB5DB
oklch(71.9% 0.123 221.6)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#2AB5DB 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) | #9FB0DD | 0.100 |
| Deuteranopia (no green cones) | #88A0DB | 0.089 |
| Tritanopia (no blue cones) | #00C1C1 | 0.060 |
| Achromatopsia (no color) | #A7A7A7 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2AB5DB
#2AB5DB
oklch(71.9% 0.123 221.6)
- #E58965
#E58965
oklch(72% 0.123 41.9)
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 #2AB5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.037
- Deep Sky Blue #00BFFF ΔE 0.053
- Vivid Sky Blue #4CC9F0 ΔE 0.063
- Bright Sky Blue #02CCFE ΔE 0.070
- Light Sea Green #20B2AA ΔE 0.073
- Topaz #13BBAF ΔE 0.074
- Dark Turquoise #00CED1 ΔE 0.077
- Greyblue #77A1B5 ΔE 0.078
Use #2AB5DB 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.