#3D53A0
Closest named color: Denim Blue (#3B5B92). oklch(46.6% 0.127 269), rgb(61, 83, 160).
Aa
White text reads best on this color (7.13:1).
About this color
#3D53A0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.127 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.035 away. White text reads best on it, at 7.13:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #3D53A0 |
| RGB | rgb(61, 83, 160) |
| HSL | hsl(227, 45%, 43%) |
| OKLCH | oklch(46.6% 0.127 269) |
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 #3D53A0 | 7.13:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #3D53A0 | 2.94:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #3D53A0 text on white | 7.13:1 | AAA | Lc 84.5 | Fine for body text |
| #3D53A0 text on black | 2.94:1 | Fails | Lc -17.5 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0C0E9
oklch(80.9% 0.061 268.3)
-
Step 400
400
#879EDF
oklch(70.7% 0.099 268.9)
-
Step 500
500
#6A85D5
oklch(63.1% 0.125 268.6)
-
Step 600
600
#536DC3
oklch(55.7% 0.137 269)
-
Step 700
700 (this color)
#3D53A0
oklch(46.6% 0.127 269)
-
Step 800
800
#384A88
oklch(42.7% 0.105 269.4)
-
Step 900
900
#303E6D
oklch(37.6% 0.083 269.6)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#3D53A0 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) | #2D5CA3 | 0.027 |
| Deuteranopia (no green cones) | #1C549E | 0.031 |
| Tritanopia (no blue cones) | #006472 | 0.108 |
| Achromatopsia (no color) | #585858 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D53A0
#3D53A0
oklch(46.6% 0.127 269)
- #6F5600
#6F5600
oklch(46.6% 0.095 89.1)
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 #3D53A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.035
- Twilight #4E518B ΔE 0.040
- Dusk Blue #26538D ΔE 0.041
- Dusky Blue #475F94 ΔE 0.045
- Blueberry #464196 ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.050
- Cobalt #1E488F ΔE 0.055
- Dusk #4E5481 ΔE 0.055
Use #3D53A0 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.