#525FC8
Closest named color: Iris (#6258C4). oklch(53.1% 0.162 274.2), rgb(82, 95, 200).
Aa
White text reads best on this color (5.48:1).
About this color
#525FC8 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.162 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.027 away. White text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.82:1 |
| White text | 5.48:1 |
Values
| HEX | #525FC8 |
| RGB | rgb(82, 95, 200) |
| HSL | hsl(233, 52%, 55%) |
| OKLCH | oklch(53.1% 0.162 274.2) |
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 #525FC8 | 5.48:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #525FC8 | 3.82:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #525FC8 text on white | 5.48:1 | AA | Lc 77.1 | Fine for body text |
| #525FC8 text on black | 3.82:1 | AA large text | Lc -24.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400
#8A9AE9
oklch(70.6% 0.117 274.3)
-
Step 500
500
#6F7FE2
oklch(63% 0.149 274.4)
-
Step 600
600 (this color)
#525FC8
oklch(53.1% 0.162 274.2)
-
Step 700
700
#4955B4
oklch(49.2% 0.15 274.1)
-
Step 800
800
#3C4692
oklch(42.8% 0.124 274.3)
-
Step 900
900
#333B74
oklch(37.6% 0.097 274.7)
-
Step 950
950
#1D2344
oklch(26.9% 0.062 273.8)
#525FC8 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) | #216ECC | 0.053 |
| Deuteranopia (no green cones) | #0064C6 | 0.058 |
| Tritanopia (no blue cones) | #00778A | 0.142 |
| Achromatopsia (no color) | #696969 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #525FC8
#525FC8
oklch(53.1% 0.162 274.2)
- #816A00
#816A00
oklch(53.1% 0.109 93.9)
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 #525FC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.027
- Dark Periwinkle #665FD1 ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.036
- Warm Blue #4B57DB ΔE 0.038
- Light Indigo #6D5ACF ΔE 0.041
- Royal Blue #4169E1 ΔE 0.045
- French Blue #436BAD ΔE 0.059
- Neon Blue #4361EE ΔE 0.060
Use #525FC8 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.