#59A4E2
Closest named color: Cornflower Blue (#6495ED). oklch(69.6% 0.118 245.6), rgb(89, 164, 226).
Aa
Black text reads best on this color (7.83:1).
About this color
#59A4E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.118 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.048 away. Black text reads best on it, at 7.83:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.83:1 |
| White text | 2.68:1 |
Values
| HEX | #59A4E2 |
| RGB | rgb(89, 164, 226) |
| HSL | hsl(207, 70%, 62%) |
| OKLCH | oklch(69.6% 0.118 245.6) |
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 #59A4E2 | 2.68:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #59A4E2 | 7.83:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #59A4E2 text on white | 2.68:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #59A4E2 text on black | 7.83:1 | AAA | Lc -50.0 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF8
oklch(93.7% 0.021 245.9)
-
Step 200
200
#C4DDF3
oklch(88.6% 0.04 244.8)
-
Step 300
300
#99C6EE
oklch(80.9% 0.074 245.7)
-
Step 400
400 (this color)
#59A4E2
oklch(69.6% 0.118 245.6)
-
Step 500
500
#1D90DE
oklch(63.2% 0.151 245.3)
-
Step 600
600
#0078C0
oklch(55.5% 0.142 245.8)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#052943
oklch(27.1% 0.062 245.1)
#59A4E2 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) | #89A6E5 | 0.052 |
| Deuteranopia (no green cones) | #7798E1 | 0.041 |
| Tritanopia (no blue cones) | #00B3BA | 0.092 |
| Achromatopsia (no color) | #9E9E9E | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A4E2
#59A4E2
oklch(69.6% 0.118 245.6)
- #CF8D46
#CF8D46
oklch(69.6% 0.118 65.6)
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 #59A4E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.048
- Chefchaouen Blue #4895EF ΔE 0.053
- Dark Sky Blue #448EE4 ΔE 0.067
- Greyblue #77A1B5 ΔE 0.069
- Turquoise Blue #06B1C4 ΔE 0.076
- Deep Sky Blue #00BFFF ΔE 0.076
- Faded Blue #658CBB ΔE 0.076
- Periwinkle Blue #8F99FB ΔE 0.078
Use #59A4E2 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.