#3B56AD
Closest named color: Denim Blue (#3B5B92). oklch(48% 0.142 267.8), rgb(59, 86, 173).
Aa
White text reads best on this color (6.72:1).
About this color
#3B56AD is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.142 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.048 away. White text reads best on it, at 6.72:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #3B56AD |
| RGB | rgb(59, 86, 173) |
| HSL | hsl(226, 49%, 45%) |
| OKLCH | oklch(48% 0.142 267.8) |
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 #3B56AD | 6.72:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #3B56AD | 3.12:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #3B56AD text on white | 6.72:1 | AA | Lc 82.9 | Fine for body text |
| #3B56AD text on black | 3.12:1 | AA large text | Lc -19.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#ADC0EE
oklch(80.9% 0.069 267.3)
-
Step 400
400
#839EE6
oklch(70.8% 0.11 267.8)
-
Step 500
500
#6484DE
oklch(63.1% 0.14 267.5)
-
Step 600
600
#4D6CCC
oklch(55.7% 0.152 267.8)
-
Step 700
700 (this color)
#3B56AD
oklch(48% 0.142 267.8)
-
Step 800
800
#33498F
oklch(42.6% 0.119 268)
-
Step 900
900
#2C3E72
oklch(37.7% 0.092 267.5)
-
Step 950
950
#1A2543
oklch(27.1% 0.058 267.3)
#3B56AD 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) | #2661B0 | 0.032 |
| Deuteranopia (no green cones) | #0357AB | 0.037 |
| Tritanopia (no blue cones) | #006A79 | 0.118 |
| Achromatopsia (no color) | #5C5C5C | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B56AD
#3B56AD
oklch(48% 0.142 267.8)
- #755900
#755900
oklch(48% 0.098 87.3)
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 #3B56AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.048
- Dusky Blue #475F94 ΔE 0.054
- Mid Blue #276AB3 ΔE 0.054
- Dusk Blue #26538D ΔE 0.058
- Twilight #4E518B ΔE 0.058
- French Blue #436BAD ΔE 0.060
- Blueberry #464196 ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.065
Use #3B56AD 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.