#525BCA
Closest named color: Iris (#6258C4). oklch(52.5% 0.17 275.4), rgb(82, 91, 202).
Aa
White text reads best on this color (5.66:1).
About this color
#525BCA is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.170 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.025 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #525BCA |
| RGB | rgb(82, 91, 202) |
| HSL | hsl(236, 53%, 56%) |
| OKLCH | oklch(52.5% 0.17 275.4) |
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 #525BCA | 5.66:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #525BCA | 3.70:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #525BCA text on white | 5.66:1 | AA | Lc 78.0 | Fine for body text |
| #525BCA text on black | 3.70:1 | AA large text | Lc -23.8 | 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 600.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F6
oklch(88.6% 0.042 275.1)
-
Step 300
300
#B2BDF3
oklch(80.9% 0.077 275.6)
-
Step 400
400
#8B99EC
oklch(70.6% 0.122 275.5)
-
Step 500
500
#707EE6
oklch(63.1% 0.156 275.2)
-
Step 600
600 (this color)
#525BCA
oklch(52.5% 0.17 275.4)
-
Step 700
700
#4A53B8
oklch(49.1% 0.158 275.2)
-
Step 800
800
#3D4495
oklch(42.7% 0.131 275.6)
-
Step 900
900
#333A77
oklch(37.6% 0.103 275.4)
-
Step 950
950
#1E2345
oklch(27.1% 0.063 275.1)
#525BCA 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) | #066CCE | 0.063 |
| Deuteranopia (no green cones) | #0062C8 | 0.060 |
| Tritanopia (no blue cones) | #00758A | 0.147 |
| Achromatopsia (no color) | #676767 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #525BCA
#525BCA
oklch(52.5% 0.17 275.4)
- #7E6900
#7E6900
oklch(52.6% 0.108 95.2)
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 #525BCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.025
- Warm Blue #4B57DB ΔE 0.030
- Dark Periwinkle #665FD1 ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.041
- Royal Blue #4169E1 ΔE 0.048
- Neon Blue #4361EE ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.059
Use #525BCA 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.