#53A5EB
Closest named color: Cornflower Blue (#6495ED). oklch(70.1% 0.131 246.8), rgb(83, 165, 235).
Aa
Black text reads best on this color (7.94:1).
About this color
#53A5EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.131 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.044 away. Black text reads best on it, at 7.94:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.94:1 |
| White text | 2.64:1 |
Values
| HEX | #53A5EB |
| RGB | rgb(83, 165, 235) |
| HSL | hsl(208, 79%, 62%) |
| OKLCH | oklch(70.1% 0.131 246.8) |
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 #53A5EB | 2.64:1 | Fails | Lc -56.4 | Large or bold text, headings |
| Black text on #53A5EB | 7.94:1 | AAA | Lc 52.8 | Large or bold text, headings |
| #53A5EB text on white | 2.64:1 | Fails | Lc 51.2 | Large or bold text, headings |
| #53A5EB text on black | 7.94:1 | AAA | Lc -50.7 | 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
#DEECF9
oklch(93.6% 0.023 246)
-
Step 200
200
#C2DDF6
oklch(88.6% 0.045 246.3)
-
Step 300
300
#96C6F3
oklch(80.9% 0.082 247.2)
-
Step 400
400 (this color)
#53A5EB
oklch(70.1% 0.131 246.8)
-
Step 500
500
#008FE6
oklch(63.1% 0.164 246.6)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0065A5
oklch(49.2% 0.128 246.7)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#004472
oklch(37.6% 0.099 246.8)
-
Step 950
950
#012846
oklch(26.9% 0.07 247.1)
#53A5EB 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) | #86A7EE | 0.053 |
| Deuteranopia (no green cones) | #7199EA | 0.039 |
| Tritanopia (no blue cones) | #00B6BE | 0.099 |
| Achromatopsia (no color) | #9F9F9F | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53A5EB
#53A5EB
oklch(70.1% 0.131 246.8)
- #D48D38
#D48D38
oklch(70.1% 0.131 67.1)
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 #53A5EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.065
- Deep Sky Blue #00BFFF ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.075
- Soft Blue #6488EA ΔE 0.077
- Dodger Blue #1E90FF ΔE 0.079
- Greyblue #77A1B5 ΔE 0.082
Use #53A5EB 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.