#59A9FA
Closest named color: Cornflower Blue (#6495ED). oklch(71.9% 0.143 250.7), rgb(89, 169, 250).
Aa
Black text reads best on this color (8.48:1).
About this color
#59A9FA is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.143 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.052 away. Black text reads best on it, at 8.48:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 8.48:1 |
| White text | 2.47:1 |
Values
| HEX | #59A9FA |
| RGB | rgb(89, 169, 250) |
| HSL | hsl(210, 94%, 66%) |
| OKLCH | oklch(71.9% 0.143 250.7) |
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 #59A9FA | 2.47:1 | Fails | Lc -53.4 | Large or bold text, headings |
| Black text on #59A9FA | 8.48:1 | AAA | Lc 55.6 | Large or bold text, headings |
| #59A9FA text on white | 2.47:1 | Fails | Lc 48.4 | Large or bold text, headings |
| #59A9FA text on black | 8.48:1 | AAA | Lc -53.6 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C2DCF9
oklch(88.5% 0.049 251.2)
-
Step 300
300
#95C5F9
oklch(80.9% 0.09 251)
-
Step 400
400 (this color)
#59A9FA
oklch(71.9% 0.143 250.7)
-
Step 500
500
#008CF2
oklch(63.2% 0.182 250.6)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#00508F
oklch(42.6% 0.123 250.8)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#022749
oklch(26.9% 0.075 250.8)
#59A9FA 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) | #86ADFD | 0.048 |
| Deuteranopia (no green cones) | #6F9EF8 | 0.032 |
| Tritanopia (no blue cones) | #00BCC6 | 0.112 |
| Achromatopsia (no color) | #A5A5A5 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A9FA
#59A9FA
oklch(71.9% 0.143 250.7)
- #DC9329
#DC9329
oklch(72% 0.143 70.7)
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 #59A9FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.058
- Deep Sky Blue #00BFFF ΔE 0.062
- Periwinkle Blue #8F99FB ΔE 0.067
- Carolina Blue #8AB8FE ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.080
- Dodger Blue #1E90FF ΔE 0.083
- Soft Blue #6488EA ΔE 0.085
Use #59A9FA 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.