#19F4FE
Closest named color: Bright Light Blue (#26F7FD). oklch(88% 0.147 200.2), rgb(25, 244, 254).
Aa
Black text reads best on this color (15.41:1).
About this color
#19F4FE is a light, vivid teal or cyan. In OKLCH its lightness is 88%, its chroma 0.147 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Light Blue (#26F7FD), ΔE 0.010 away. Black text reads best on it, at 15.41:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Bright Light Blue (#26F7FD) |
| Black text | 15.41:1 |
| White text | 1.36:1 |
Values
| HEX | #19F4FE |
| RGB | rgb(25, 244, 254) |
| HSL | hsl(183, 99%, 55%) |
| OKLCH | oklch(88% 0.147 200.2) |
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 #19F4FE | 1.36:1 | Fails | Lc -19.6 | Dividers and decoration only |
| Black text on #19F4FE | 15.41:1 | AAA | Lc 86.6 | Fine for body text |
| #19F4FE text on white | 1.36:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #19F4FE text on black | 15.41:1 | AAA | Lc -86.5 | 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 200.
-
Step 50
50
#E3FBFC
oklch(97.1% 0.025 199.8)
-
Step 100
100
#C0F6F8
oklch(93.7% 0.055 199.1)
-
Step 200
200 (this color)
#19F4FE
oklch(88% 0.147 200.2)
-
Step 300
300
#00DBE4
oklch(81% 0.138 200.1)
-
Step 400
400
#00B6BE
oklch(70.6% 0.12 200.4)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#19F4FE 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) | #E1E8FF | 0.150 |
| Deuteranopia (no green cones) | #C5D4FF | 0.139 |
| Tritanopia (no blue cones) | #00FEF7 | 0.032 |
| Achromatopsia (no color) | #DDDDDD | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19F4FE
#19F4FE
oklch(88% 0.147 200.2)
- #FFC8C6
#FFC8C6
oklch(88.1% 0.063 20.8)
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 #19F4FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Light Blue #26F7FD ΔE 0.010
- Bright Cyan #41FDFE ΔE 0.029
- Cyan #00FFFF ΔE 0.030
- Bright Turquoise #0FFEF9 ΔE 0.031
- Bright Aqua #0BF9EA ΔE 0.035
- Robin's Egg #6DEDFD ΔE 0.035
- Robin Egg Blue #8AF1FE ΔE 0.055
- Robin's Egg Blue #98EFF9 ΔE 0.066
Use #19F4FE 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.