#3D629D
Closest named color: Dusky Blue (#475F94). oklch(49.7% 0.104 259.4), rgb(61, 98, 157).
Aa
White text reads best on this color (6.11:1).
About this color
#3D629D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.104 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.018 away. White text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #3D629D |
| RGB | rgb(61, 98, 157) |
| HSL | hsl(217, 44%, 43%) |
| OKLCH | oklch(49.7% 0.104 259.4) |
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 #3D629D | 6.11:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #3D629D | 3.43:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #3D629D text on white | 6.11:1 | AA | Lc 80.4 | Fine for body text |
| #3D629D text on black | 3.43:1 | AA large text | Lc -21.5 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#AEC2E2
oklch(81% 0.05 259.8)
-
Step 400
400
#83A2D3
oklch(70.7% 0.08 259.4)
-
Step 500
500
#638AC8
oklch(63.1% 0.104 259.4)
-
Step 600
600
#4A73B4
oklch(55.6% 0.112 259.3)
-
Step 700
700 (this color)
#3D629D
oklch(49.7% 0.104 259.4)
-
Step 800
800
#314F7E
oklch(42.8% 0.086 259.1)
-
Step 900
900
#2B4265
oklch(37.7% 0.067 258.5)
-
Step 950
950
#1A273B
oklch(27.1% 0.042 258.8)
#3D629D 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) | #49679F | 0.021 |
| Deuteranopia (no green cones) | #3C5E9C | 0.012 |
| Tritanopia (no blue cones) | #006F78 | 0.088 |
| Achromatopsia (no color) | #626262 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D629D
#3D629D
oklch(49.7% 0.104 259.4)
- #815A00
#815A00
oklch(49.6% 0.103 79.3)
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 #3D629D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.018
- Denim Blue #3B5B92 ΔE 0.025
- Denim #3B638C ΔE 0.029
- French Blue #436BAD ΔE 0.034
- Mid Blue #276AB3 ΔE 0.039
- Peacock Blue #016795 ΔE 0.041
- Muted Blue #3B719F ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.043
Use #3D629D 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.