#53AFDB
Closest named color: Turquoise Blue (#06B1C4). oklch(71.6% 0.108 231.8), rgb(83, 175, 219).
Aa
Black text reads best on this color (8.52:1).
About this color
#53AFDB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.108 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.051 away. Black text reads best on it, at 8.52:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.52:1 |
| White text | 2.46:1 |
Values
| HEX | #53AFDB |
| RGB | rgb(83, 175, 219) |
| HSL | hsl(199, 65%, 59%) |
| OKLCH | oklch(71.6% 0.108 231.8) |
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 #53AFDB | 2.46:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #53AFDB | 8.52:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #53AFDB text on white | 2.46:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #53AFDB text on black | 8.52:1 | AAA | Lc -53.8 | 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
#F0F7FB
oklch(97.2% 0.009 232.4)
-
Step 100
100
#DEEDF5
oklch(93.7% 0.019 230.7)
-
Step 200
200
#C1DEEE
oklch(88.4% 0.038 232)
-
Step 300
300
#94C9E5
oklch(80.9% 0.068 231.7)
-
Step 400
400 (this color)
#53AFDB
oklch(71.6% 0.108 231.8)
-
Step 500
500
#0096C9
oklch(63.2% 0.128 231.5)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#53AFDB 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) | #99ADDD | 0.073 |
| Deuteranopia (no green cones) | #869FDA | 0.062 |
| Tritanopia (no blue cones) | #00BBBE | 0.071 |
| Achromatopsia (no color) | #A5A5A5 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53AFDB
#53AFDB
oklch(71.6% 0.108 231.8)
- #D98F62
#D98F62
oklch(71.5% 0.108 51.6)
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 #53AFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.051
- Deep Sky Blue #00BFFF ΔE 0.060
- Greyblue #77A1B5 ΔE 0.062
- Vivid Sky Blue #4CC9F0 ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.071
- Bluey Grey #89A0B0 ΔE 0.077
- Carolina Blue #8AB8FE ΔE 0.080
- Bright Sky Blue #02CCFE ΔE 0.082
Use #53AFDB 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.