#59A1E6
Closest named color: Cornflower Blue (#6495ED). oklch(69.2% 0.125 249.2), rgb(89, 161, 230).
Aa
Black text reads best on this color (7.66:1).
About this color
#59A1E6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.125 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.037 away. Black text reads best on it, at 7.66:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.66:1 |
| White text | 2.73:1 |
Values
| HEX | #59A1E6 |
| RGB | rgb(89, 161, 230) |
| HSL | hsl(209, 74%, 63%) |
| OKLCH | oklch(69.2% 0.125 249.2) |
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 #59A1E6 | 2.73:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #59A1E6 | 7.66:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #59A1E6 text on white | 2.73:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #59A1E6 text on black | 7.66:1 | AAA | Lc -49.1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF9
oklch(93.7% 0.022 248.1)
-
Step 200
200
#C4DCF5
oklch(88.5% 0.043 249.4)
-
Step 300
300
#9AC5F2
oklch(80.9% 0.079 250)
-
Step 400
400 (this color)
#59A1E6
oklch(69.2% 0.125 249.2)
-
Step 500
500
#248DE5
oklch(63% 0.161 249.4)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063AA
oklch(49.1% 0.137 249.4)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#062845
oklch(27% 0.066 248.8)
#59A1E6 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) | #83A4E9 | 0.046 |
| Deuteranopia (no green cones) | #7096E5 | 0.034 |
| Tritanopia (no blue cones) | #00B1B9 | 0.100 |
| Achromatopsia (no color) | #9C9C9C | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A1E6
#59A1E6
oklch(69.2% 0.125 249.2)
- #CE8C39
#CE8C39
oklch(69.2% 0.126 68.8)
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 #59A1E6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.058
- Soft Blue #6488EA ΔE 0.068
- Periwinkle Blue #8F99FB ΔE 0.072
- Faded Blue #658CBB ΔE 0.075
- Dodger Blue #1E90FF ΔE 0.077
- Greyblue #77A1B5 ΔE 0.077
Use #59A1E6 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.