#30ACFF
Closest named color: Deep Sky Blue (#00BFFF). oklch(71.7% 0.16 243.8), rgb(48, 172, 255).
Aa
Black text reads best on this color (8.47:1).
About this color
#30ACFF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.160 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.051 away. Black text reads best on it, at 8.47:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.160) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.47:1 |
| White text | 2.47:1 |
Values
| HEX | #30ACFF |
| RGB | rgb(48, 172, 255) |
| HSL | hsl(204, 100%, 59%) |
| OKLCH | oklch(71.7% 0.16 243.8) |
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 #30ACFF | 2.47:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #30ACFF | 8.47:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #30ACFF text on white | 2.47:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #30ACFF text on black | 8.47:1 | 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
#EEF7FE
oklch(97.1% 0.013 241)
-
Step 100
100
#DAEDFC
oklch(93.7% 0.029 241.6)
-
Step 200
200
#BBDEFC
oklch(88.5% 0.056 244.3)
-
Step 300
300
#87C8FD
oklch(80.9% 0.1 244.1)
-
Step 400
400 (this color)
#30ACFF
oklch(71.7% 0.16 243.8)
-
Step 500
500
#0091DF
oklch(63.2% 0.154 243.6)
-
Step 600
600
#0079BC
oklch(55.5% 0.136 243.9)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#00456F
oklch(37.6% 0.093 244.3)
-
Step 950
950
#002944
oklch(27% 0.066 243.6)
#30ACFF 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) | #85AFFF | 0.070 |
| Deuteranopia (no green cones) | #689CFD | 0.052 |
| Tritanopia (no blue cones) | #00C0CA | 0.109 |
| Achromatopsia (no color) | #A4A4A4 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30ACFF
#30ACFF
oklch(71.7% 0.16 243.8)
- #E78A0E
#E78A0E
oklch(71.6% 0.16 63.8)
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 #30ACFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.065
- Dodger Blue #1E90FF ΔE 0.077
- Dark Sky Blue #448EE4 ΔE 0.082
- Carolina Blue #8AB8FE ΔE 0.084
- Bright Sky Blue #02CCFE ΔE 0.088
- Periwinkle Blue #8F99FB ΔE 0.090
Use #30ACFF 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.