#4AB9CC
Closest named color: Turquoise Blue (#06B1C4). oklch(73% 0.103 210.8), rgb(74, 185, 204).
Aa
Black text reads best on this color (9.10:1).
About this color
#4AB9CC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.103 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.038 away. Black text reads best on it, at 9.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 9.10:1 |
| White text | 2.30:1 |
Values
| HEX | #4AB9CC |
| RGB | rgb(74, 185, 204) |
| HSL | hsl(189, 56%, 55%) |
| OKLCH | oklch(73% 0.103 210.8) |
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 #4AB9CC | 2.30:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #4AB9CC | 9.10:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #4AB9CC text on white | 2.30:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #4AB9CC text on black | 9.10:1 | AAA | Lc -56.9 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DDEEF1
oklch(93.7% 0.018 209.4)
-
Step 200
200
#BFE0E6
oklch(88.5% 0.036 209.8)
-
Step 300
300
#8FCCD8
oklch(80.8% 0.064 211.2)
-
Step 400
400 (this color)
#4AB9CC
oklch(73% 0.103 210.8)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#4AB9CC 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) | #A9B3CD | 0.096 |
| Deuteranopia (no green cones) | #96A5CC | 0.087 |
| Tritanopia (no blue cones) | #00C1BF | 0.041 |
| Achromatopsia (no color) | #ABABAB | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4AB9CC
#4AB9CC
oklch(73% 0.103 210.8)
- #E18F80
#E18F80
oklch(73% 0.103 31)
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 #4AB9CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.038
- Topaz #13BBAF ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.058
- Dark Turquoise #00CED1 ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.060
- Medium Turquoise #48D1CC ΔE 0.069
- Greyblue #77A1B5 ΔE 0.070
- Deep Sky Blue #00BFFF ΔE 0.073
Use #4AB9CC 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.