#3B529A
Closest named color: Denim Blue (#3B5B92). oklch(45.8% 0.12 268.1), rgb(59, 82, 154).
Aa
White text reads best on this color (7.34:1).
About this color
#3B529A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.120 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.031 away. White text reads best on it, at 7.34:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #3B529A |
| RGB | rgb(59, 82, 154) |
| HSL | hsl(225, 45%, 42%) |
| OKLCH | oklch(45.8% 0.12 268.1) |
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 #3B529A | 7.34:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #3B529A | 2.85:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #3B529A text on white | 7.34:1 | AAA | Lc 85.3 | Fine for body text |
| #3B529A text on black | 2.85:1 | Fails | Lc -16.7 | 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 800.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F4
oklch(88.5% 0.039 267.9)
-
Step 300
300
#ADC0EF
oklch(81% 0.07 267.6)
-
Step 400
400
#839EE7
oklch(70.8% 0.112 268)
-
Step 500
500
#6483E0
oklch(63% 0.144 268.2)
-
Step 600
600
#4D6BCE
oklch(55.6% 0.156 268.3)
-
Step 700
700
#3E59B2
oklch(49.2% 0.145 268)
-
Step 800
800 (this color)
#3B529A
oklch(45.8% 0.12 268.1)
-
Step 900
900
#2C3E73
oklch(37.7% 0.093 267.7)
-
Step 950
950
#1A2443
oklch(26.9% 0.06 268.7)
#3B529A 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) | #305A9D | 0.023 |
| Deuteranopia (no green cones) | #215298 | 0.026 |
| Tritanopia (no blue cones) | #00626E | 0.104 |
| Achromatopsia (no color) | #565656 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B529A
#3B529A
oklch(45.8% 0.12 268.1)
- #6D5400
#6D5400
oklch(45.9% 0.094 88.6)
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 #3B529A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.031
- Dusk Blue #26538D ΔE 0.032
- Twilight #4E518B ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.045
- Blueberry #464196 ΔE 0.045
- Cobalt #1E488F ΔE 0.048
- Dusk #4E5481 ΔE 0.049
Use #3B529A 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.