#525FA6
Closest named color: Dusky Blue (#475F94). oklch(50.9% 0.113 273.9), rgb(82, 95, 166).
Aa
White text reads best on this color (5.92:1).
About this color
#525FA6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.113 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.033 away. White text reads best on it, at 5.92:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.54:1 |
| White text | 5.92:1 |
Values
| HEX | #525FA6 |
| RGB | rgb(82, 95, 166) |
| HSL | hsl(231, 34%, 49%) |
| OKLCH | oklch(50.9% 0.113 273.9) |
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 #525FA6 | 5.92:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #525FA6 | 3.54:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #525FA6 text on white | 5.92:1 | AA | Lc 79.5 | Fine for body text |
| #525FA6 text on black | 3.54:1 | AA large text | Lc -22.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B5BFE5
oklch(81% 0.055 273.5)
-
Step 400
400
#8F9DD8
oklch(70.7% 0.088 273.7)
-
Step 500
500
#7484CD
oklch(63.2% 0.112 273.4)
-
Step 600
600
#5E6CBA
oklch(55.6% 0.122 274.1)
-
Step 700
700 (this color)
#525FA6
oklch(50.9% 0.113 273.9)
-
Step 800
800
#3F4A82
oklch(42.8% 0.094 273.4)
-
Step 900
900
#363E68
oklch(37.7% 0.073 274.2)
-
Step 950
950
#1F243D
oklch(26.8% 0.047 274.2)
#525FA6 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) | #4268A9 | 0.029 |
| Deuteranopia (no green cones) | #3A61A4 | 0.029 |
| Tritanopia (no blue cones) | #2F6E7A | 0.101 |
| Achromatopsia (no color) | #646464 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #525FA6
#525FA6
oklch(50.9% 0.113 273.9)
- #7A6400
#7A6400
oklch(51% 0.105 93.8)
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 #525FA6, closest first.
No curated palette has a color within ΔE 0.04 of #525FA6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.033
- French Blue #436BAD ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.046
- Mid Blue #276AB3 ΔE 0.049
- Twilight #4E518B ΔE 0.054
- Denim #3B638C ΔE 0.055
- Iris #6258C4 ΔE 0.057
- Flat Blue #3C73A8 ΔE 0.058
Use #525FA6 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.