#529AF3
Closest named color: Chefchaouen Blue (#4895EF). oklch(68% 0.151 254.9), rgb(82, 154, 243).
Aa
Black text reads best on this color (7.27:1).
About this color
#529AF3 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.151 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.017 away. Black text reads best on it, at 7.27:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #529AF3 |
| RGB | rgb(82, 154, 243) |
| HSL | hsl(213, 87%, 64%) |
| OKLCH | oklch(68% 0.151 254.9) |
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 #529AF3 | 2.88:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #529AF3 | 7.27:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #529AF3 text on white | 2.88:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #529AF3 text on black | 7.27:1 | AAA | Lc -47.0 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFC
oklch(93.5% 0.027 255.1)
-
Step 200
200
#C2DCFC
oklch(88.6% 0.052 253.7)
-
Step 300
300
#97C4FD
oklch(80.9% 0.094 254.6)
-
Step 400
400 (this color)
#529AF3
oklch(68% 0.151 254.9)
-
Step 500
500
#1E88FA
oklch(63.2% 0.193 254.8)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005FB9
oklch(49.2% 0.161 254.8)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#004081
oklch(37.7% 0.124 254.9)
-
Step 950
950
#05264C
oklch(27% 0.08 254.9)
#529AF3 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) | #72A0F7 | 0.038 |
| Deuteranopia (no green cones) | #5B91F1 | 0.023 |
| Tritanopia (no blue cones) | #00AFBB | 0.120 |
| Achromatopsia (no color) | #989898 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #529AF3
#529AF3
oklch(68% 0.151 254.9)
- #CB8900
#CB8900
oklch(68% 0.143 74.9)
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 #529AF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.017
- Cornflower Blue #6495ED ΔE 0.020
- Dark Sky Blue #448EE4 ΔE 0.040
- Soft Blue #6488EA ΔE 0.047
- Dodger Blue #1E90FF ΔE 0.049
- Periwinkle Blue #8F99FB ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.073
- Lavender Blue #8B88F8 ΔE 0.075
Use #529AF3 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.