#53A8B4
Closest named color: Cadet Blue (#5F9EA0). oklch(68.3% 0.084 207.6), rgb(83, 168, 180).
Aa
Black text reads best on this color (7.62:1).
About this color
#53A8B4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.084 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.034 away. Black text reads best on it, at 7.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.62:1 |
| White text | 2.75:1 |
Values
| HEX | #53A8B4 |
| RGB | rgb(83, 168, 180) |
| HSL | hsl(187, 39%, 52%) |
| OKLCH | oklch(68.3% 0.084 207.6) |
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 #53A8B4 | 2.75:1 | Fails | Lc -58.2 | Large or bold text, headings |
| Black text on #53A8B4 | 7.62:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #53A8B4 text on white | 2.75:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #53A8B4 text on black | 7.62:1 | AAA | Lc -48.9 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE3
oklch(88.5% 0.029 207.4)
-
Step 300
300
#99CBD2
oklch(80.9% 0.053 206.9)
-
Step 400
400 (this color)
#53A8B4
oklch(68.3% 0.084 207.6)
-
Step 500
500
#0A9BAB
oklch(63.1% 0.107 207.8)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#032C32
oklch(26.9% 0.044 209.6)
#53A8B4 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) | #9CA2B5 | 0.082 |
| Deuteranopia (no green cones) | #8D97B4 | 0.075 |
| Tritanopia (no blue cones) | #00AEAB | 0.042 |
| Achromatopsia (no color) | #9C9C9C | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53A8B4
#53A8B4
oklch(68.3% 0.084 207.6)
- #C8857D
#C8857D
oklch(68.3% 0.084 27)
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 #53A8B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.034
- Turquoise Blue #06B1C4 ΔE 0.038
- Greyblue #77A1B5 ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.051
- Dull Teal #5F9E8F ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.057
- Grey Teal #5E9B8A ΔE 0.061
Use #53A8B4 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.