#1EB3EB
Closest named color: Deep Sky Blue (#00BFFF). oklch(72% 0.139 230.8), rgb(30, 179, 235).
Aa
Black text reads best on this color (8.70:1).
About this color
#1EB3EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.139 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.038 away. Black text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.70:1 |
| White text | 2.41:1 |
Values
| HEX | #1EB3EB |
| RGB | rgb(30, 179, 235) |
| HSL | hsl(196, 84%, 52%) |
| OKLCH | oklch(72% 0.139 230.8) |
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 #1EB3EB | 2.41:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #1EB3EB | 8.70:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #1EB3EB text on white | 2.41:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #1EB3EB text on black | 8.70:1 | AAA | Lc -55.1 | 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
#EEF7FC
oklch(97.1% 0.012 231.7)
-
Step 100
100
#DAEDF8
oklch(93.5% 0.025 233)
-
Step 200
200
#BAE0F4
oklch(88.6% 0.048 230.9)
-
Step 300
300
#84CBEF
oklch(80.8% 0.087 231.4)
-
Step 400
400 (this color)
#1EB3EB
oklch(72% 0.139 230.8)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#002B3C
oklch(27.1% 0.054 230.4)
#1EB3EB 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) | #96B1EE | 0.093 |
| Deuteranopia (no green cones) | #7D9FEA | 0.079 |
| Tritanopia (no blue cones) | #00C2C6 | 0.079 |
| Achromatopsia (no color) | #A7A7A7 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1EB3EB
#1EB3EB
oklch(72% 0.139 230.8)
- #E8884D
#E8884D
oklch(71.9% 0.139 50.5)
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 #1EB3EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.038
- Turquoise Blue #06B1C4 ΔE 0.059
- Vivid Sky Blue #4CC9F0 ΔE 0.068
- Bright Sky Blue #02CCFE ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.083
- Cornflower Blue #6495ED ΔE 0.087
- Carolina Blue #8AB8FE ΔE 0.087
- Lightblue #7BC8F6 ΔE 0.090
Use #1EB3EB 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.