#3D5B98
Closest named color: Denim Blue (#3B5B92). oklch(47.8% 0.105 263.2), rgb(61, 91, 152).
Aa
White text reads best on this color (6.67:1).
About this color
#3D5B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.105 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.010 away. White text reads best on it, at 6.67:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.14:1 |
| White text | 6.67:1 |
Values
| HEX | #3D5B98 |
| RGB | rgb(61, 91, 152) |
| HSL | hsl(220, 43%, 42%) |
| OKLCH | oklch(47.8% 0.105 263.2) |
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 #3D5B98 | 6.67:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #3D5B98 | 3.14:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #3D5B98 text on white | 6.67:1 | AA | Lc 82.8 | Fine for body text |
| #3D5B98 text on black | 3.14:1 | AA large text | Lc -19.2 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF4
oklch(93.6% 0.015 264.5)
-
Step 200
200
#CFDAEC
oklch(88.5% 0.028 260.3)
-
Step 300
300
#B0C1E2
oklch(80.9% 0.05 263.7)
-
Step 400
400
#86A1D4
oklch(70.8% 0.081 262.8)
-
Step 500
500
#6889C9
oklch(63.2% 0.104 262.9)
-
Step 600
600
#5071B5
oklch(55.5% 0.113 263.5)
-
Step 700
700 (this color)
#3D5B98
oklch(47.8% 0.105 263.2)
-
Step 800
800
#354E7F
oklch(42.8% 0.087 262.8)
-
Step 900
900
#2E4166
oklch(37.7% 0.068 262.8)
-
Step 950
950
#1B263C
oklch(27% 0.044 263.4)
#3D5B98 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) | #41619A | 0.018 |
| Deuteranopia (no green cones) | #355897 | 0.013 |
| Tritanopia (no blue cones) | #006972 | 0.093 |
| Achromatopsia (no color) | #5C5C5C | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D5B98
#3D5B98
oklch(47.8% 0.105 263.2)
- #785700
#785700
oklch(47.9% 0.098 82.9)
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 #3D5B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.010
- Dusky Blue #475F94 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.032
- Denim #3B638C ΔE 0.034
- Twilight #4E518B ΔE 0.036
- Dusk Blue #26538D ΔE 0.039
- Dusk #4E5481 ΔE 0.042
- Peacock Blue #016795 ΔE 0.048
Use #3D5B98 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.