#529EE5
Closest named color: Cornflower Blue (#6495ED). oklch(68.2% 0.13 248.8), rgb(82, 158, 229).
Aa
Black text reads best on this color (7.38:1).
About this color
#529EE5 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.130 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.032 away. Black text reads best on it, at 7.38:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #529EE5 |
| RGB | rgb(82, 158, 229) |
| HSL | hsl(209, 74%, 61%) |
| OKLCH | oklch(68.2% 0.13 248.8) |
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 #529EE5 | 2.84:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #529EE5 | 7.38:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #529EE5 text on white | 2.84:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #529EE5 text on black | 7.38:1 | AAA | Lc -47.5 | 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
#C3DCF6
oklch(88.4% 0.045 249.4)
-
Step 300
300
#98C6F3
oklch(81% 0.08 248.3)
-
Step 400
400 (this color)
#529EE5
oklch(68.2% 0.13 248.8)
-
Step 500
500
#188DE8
oklch(63% 0.166 249.1)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004475
oklch(37.8% 0.103 248.3)
-
Step 950
950
#042846
oklch(27% 0.068 248.6)
#529EE5 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) | #7FA1E8 | 0.048 |
| Deuteranopia (no green cones) | #6B93E4 | 0.035 |
| Tritanopia (no blue cones) | #00AFB7 | 0.102 |
| Achromatopsia (no color) | #999999 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #529EE5
#529EE5
oklch(68.2% 0.13 248.8)
- #CC8830
#CC8830
oklch(68.1% 0.13 68.7)
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 #529EE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.032
- Chefchaouen Blue #4895EF ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.047
- Soft Blue #6488EA ΔE 0.061
- Dodger Blue #1E90FF ΔE 0.068
- Faded Blue #658CBB ΔE 0.070
- Periwinkle Blue #8F99FB ΔE 0.077
- Perrywinkle #8F8CE7 ΔE 0.079
Use #529EE5 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.