#3B679E
Closest named color: Dusky Blue (#475F94). oklch(50.8% 0.101 254.9), rgb(59, 103, 158).
Aa
White text reads best on this color (5.80:1).
About this color
#3B679E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.101 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.026 away. White text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #3B679E |
| RGB | rgb(59, 103, 158) |
| HSL | hsl(213, 46%, 43%) |
| OKLCH | oklch(50.8% 0.101 254.9) |
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 #3B679E | 5.80:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #3B679E | 3.61:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #3B679E text on white | 5.80:1 | AA | Lc 78.8 | Fine for body text |
| #3B679E text on black | 3.61:1 | AA large text | Lc -23.0 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CDDAEB
oklch(88.4% 0.027 255.1)
-
Step 300
300
#ACC3E0
oklch(80.9% 0.048 254.3)
-
Step 400
400
#80A3D1
oklch(70.7% 0.078 255.5)
-
Step 500
500
#5F8CC5
oklch(63.2% 0.1 254.9)
-
Step 600
600
#4575B1
oklch(55.6% 0.108 254.8)
-
Step 700
700 (this color)
#3B679E
oklch(50.8% 0.101 254.9)
-
Step 800
800
#2D507C
oklch(42.7% 0.084 255)
-
Step 900
900
#294364
oklch(37.8% 0.065 255)
-
Step 950
950
#18273A
oklch(26.9% 0.041 254.8)
#3B679E 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) | #506BA0 | 0.028 |
| Deuteranopia (no green cones) | #42619D | 0.017 |
| Tritanopia (no blue cones) | #00747B | 0.084 |
| Achromatopsia (no color) | #656565 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B679E
#3B679E
oklch(50.8% 0.101 254.9)
- #875C11
#875C11
oklch(50.9% 0.101 75)
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 #3B679E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.026
- French Blue #436BAD ΔE 0.027
- Denim #3B638C ΔE 0.029
- Muted Blue #3B719F ΔE 0.029
- Mid Blue #276AB3 ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.036
- Peacock Blue #016795 ΔE 0.038
Use #3B679E 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.