#53DEF5
Closest named color: Aqua Blue (#02D8E9). oklch(83.5% 0.122 210.5), rgb(83, 222, 245).
Aa
Black text reads best on this color (13.13:1).
About this color
#53DEF5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.122 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.036 away. Black text reads best on it, at 13.13:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.13:1 |
| White text | 1.59:1 |
Values
| HEX | #53DEF5 |
| RGB | rgb(83, 222, 245) |
| HSL | hsl(189, 89%, 64%) |
| OKLCH | oklch(83.5% 0.122 210.5) |
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 #53DEF5 | 1.59:1 | Fails | Lc -30.2 | Non-text elements, placeholder text |
| Black text on #53DEF5 | 13.13:1 | AAA | Lc 77.1 | Fine for body text |
| #53DEF5 text on white | 1.59:1 | Fails | Lc 26.7 | Dividers and decoration only |
| #53DEF5 text on black | 13.13:1 | AAA | Lc -76.3 | Fine for body text |
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 300.
-
Step 50
50
#EAF9FC
oklch(97.2% 0.016 211)
-
Step 100
100
#D0F1F7
oklch(93.6% 0.035 209.8)
-
Step 200
200
#A5E6F2
oklch(88.5% 0.067 210.2)
-
Step 300
300 (this color)
#53DEF5
oklch(83.5% 0.122 210.5)
-
Step 400
400
#00B4CB
oklch(70.6% 0.122 210.8)
-
Step 500
500
#009BAE
oklch(63.2% 0.109 210)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005A66
oklch(42.9% 0.074 210.4)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#53DEF5 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) | #CBD6F6 | 0.115 |
| Deuteranopia (no green cones) | #B3C5F5 | 0.104 |
| Tritanopia (no blue cones) | #00E8E5 | 0.047 |
| Achromatopsia (no color) | #CCCCCC | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53DEF5
#53DEF5
oklch(83.5% 0.122 210.5)
- #FFB3A5
#FFB3A5
oklch(83.5% 0.092 30.7)
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 #53DEF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.036
- Robin's Egg #6DEDFD ΔE 0.046
- Sky Blue #87CEEB ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.057
- Turquoise #40E0D0 ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.058
- Medium Turquoise #48D1CC ΔE 0.062
- Lightblue #7BC8F6 ΔE 0.064
Use #53DEF5 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.