#1DE0FC
Closest named color: Aqua Blue (#02D8E9). oklch(83.3% 0.141 211), rgb(29, 224, 252).
Aa
Black text reads best on this color (13.12:1).
About this color
#1DE0FC is a light, vivid teal or cyan. In OKLCH its lightness is 83%, its chroma 0.141 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.032 away. Black text reads best on it, at 13.12:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.12:1 |
| White text | 1.60:1 |
Values
| HEX | #1DE0FC |
| RGB | rgb(29, 224, 252) |
| HSL | hsl(188, 97%, 55%) |
| OKLCH | oklch(83.3% 0.141 211) |
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 #1DE0FC | 1.60:1 | Fails | Lc -29.9 | Dividers and decoration only |
| Black text on #1DE0FC | 13.12:1 | AAA | Lc 77.3 | Fine for body text |
| #1DE0FC text on white | 1.60:1 | Fails | Lc 26.5 | Dividers and decoration only |
| #1DE0FC text on black | 13.12:1 | AAA | Lc -76.5 | 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
#E8F9FD
oklch(97.1% 0.019 213.4)
-
Step 100
100
#CCF2F9
oklch(93.6% 0.04 210)
-
Step 200
200
#9AE8F7
oklch(88.6% 0.079 211)
-
Step 300
300 (this color)
#1DE0FC
oklch(83.3% 0.141 211)
-
Step 400
400
#00B4CC
oklch(70.6% 0.123 211.4)
-
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)
#1DE0FC 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) | #C9D8FE | 0.131 |
| Deuteranopia (no green cones) | #AEC4FC | 0.119 |
| Tritanopia (no blue cones) | #00ECE9 | 0.049 |
| Achromatopsia (no color) | #CCCCCC | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1DE0FC
#1DE0FC
oklch(83.3% 0.141 211)
- #FFB2A3
#FFB2A3
oklch(83.3% 0.093 31.4)
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 #1DE0FC, closest first.
No curated palette has a color within ΔE 0.04 of #1DE0FC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.032
- Robin's Egg #6DEDFD ΔE 0.055
- Bright Sky Blue #02CCFE ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.060
- Turquoise #40E0D0 ΔE 0.063
- Bright Light Blue #26F7FD ΔE 0.064
- Sky Blue #87CEEB ΔE 0.068
- Medium Turquoise #48D1CC ΔE 0.068
Use #1DE0FC 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.