#525AB2
Closest named color: Iris (#6258C4). oklch(50.6% 0.138 276.4), rgb(82, 90, 178).
Aa
White text reads best on this color (6.06:1).
About this color
#525AB2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.138 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 6.06:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.46:1 |
| White text | 6.06:1 |
Values
| HEX | #525AB2 |
| RGB | rgb(82, 90, 178) |
| HSL | hsl(235, 38%, 51%) |
| OKLCH | oklch(50.6% 0.138 276.4) |
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 #525AB2 | 6.06:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #525AB2 | 3.46:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #525AB2 text on white | 6.06:1 | AA | Lc 80.1 | Fine for body text |
| #525AB2 text on black | 3.46:1 | AA large text | Lc -21.8 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D2D8F2
oklch(88.6% 0.036 275.3)
-
Step 300
300
#B5BEEC
oklch(81% 0.066 276.2)
-
Step 400
400
#8F9AE3
oklch(70.6% 0.107 276.7)
-
Step 500
500
#7580DB
oklch(63.2% 0.137 276.5)
-
Step 600
600
#5E67C8
oklch(55.5% 0.149 276.4)
-
Step 700
700 (this color)
#525AB2
oklch(50.6% 0.138 276.4)
-
Step 800
800
#40468C
oklch(42.6% 0.114 276.7)
-
Step 900
900
#363C70
oklch(37.8% 0.088 276.3)
-
Step 950
950
#1F2342
oklch(26.9% 0.058 276.3)
#525AB2 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) | #3066B5 | 0.045 |
| Deuteranopia (no green cones) | #245FB0 | 0.049 |
| Tritanopia (no blue cones) | #256D7D | 0.121 |
| Achromatopsia (no color) | #626262 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #525AB2
#525AB2
oklch(50.6% 0.138 276.4)
- #776400
#776400
oklch(50.7% 0.104 96)
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 #525AB2, closest first.
No curated palette has a color within ΔE 0.04 of #525AB2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- French Blue #436BAD ΔE 0.049
- Dusky Blue #475F94 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.056
- Mid Blue #276AB3 ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.061
Use #525AB2 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.