#059CF4
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.9% 0.168 245.1), rgb(5, 156, 244).
Aa
Black text reads best on this color (7.06:1).
About this color
#059CF4 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.168 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.029 away. Black text reads best on it, at 7.06:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.168) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #059CF4 |
| RGB | rgb(5, 156, 244) |
| HSL | hsl(202, 96%, 49%) |
| OKLCH | oklch(66.9% 0.168 245.1) |
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 #059CF4 | 2.97:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #059CF4 | 7.06:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #059CF4 text on white | 2.97:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #059CF4 text on black | 7.06:1 | AAA | Lc -46.2 | 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
#EEF7FF
oklch(97.2% 0.014 244.7)
-
Step 100
100
#DAEDFD
oklch(93.7% 0.03 243.4)
-
Step 200
200
#BADEFE
oklch(88.5% 0.058 245.4)
-
Step 300
300
#86C8FF
oklch(80.9% 0.103 244.7)
-
Step 400
400 (this color)
#059CF4
oklch(66.9% 0.168 245.1)
-
Step 500
500
#0090E2
oklch(63.1% 0.159 245)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#002945
oklch(27.1% 0.068 244.5)
#059CF4 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) | #71A0F8 | 0.067 |
| Deuteranopia (no green cones) | #508DF2 | 0.047 |
| Tritanopia (no blue cones) | #00B2BC | 0.118 |
| Achromatopsia (no color) | #969696 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #059CF4
#059CF4
oklch(66.9% 0.168 245.1)
- #D27E00
#D27E00
oklch(66.8% 0.15 65.1)
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 #059CF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.029
- Dodger Blue #1E90FF ΔE 0.038
- Dark Sky Blue #448EE4 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.051
- Soft Blue #6488EA ΔE 0.067
- Water Blue #0E87CC ΔE 0.076
- Clear Blue #247AFD ΔE 0.091
- Faded Blue #658CBB ΔE 0.095
Use #059CF4 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.