#3C679F
Closest named color: French Blue (#436BAD). oklch(50.9% 0.102 255.7), rgb(60, 103, 159).
Aa
White text reads best on this color (5.78:1).
About this color
#3C679F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.102 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.025 away. White text reads best on it, at 5.78:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.63:1 |
| White text | 5.78:1 |
Values
| HEX | #3C679F |
| RGB | rgb(60, 103, 159) |
| HSL | hsl(214, 45%, 43%) |
| OKLCH | oklch(50.9% 0.102 255.7) |
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 #3C679F | 5.78:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #3C679F | 3.63:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #3C679F text on white | 5.78:1 | AA | Lc 78.7 | Fine for body text |
| #3C679F text on black | 3.63:1 | AA large text | Lc -23.1 | 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
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ACC3E1
oklch(81% 0.049 255.1)
-
Step 400
400
#80A3D2
oklch(70.7% 0.079 255.9)
-
Step 500
500
#5F8CC6
oklch(63.2% 0.101 255.2)
-
Step 600
600
#4575B2
oklch(55.7% 0.109 255.2)
-
Step 700
700 (this color)
#3C679F
oklch(50.9% 0.102 255.7)
-
Step 800
800
#2E507C
oklch(42.7% 0.084 255.5)
-
Step 900
900
#294364
oklch(37.8% 0.065 255)
-
Step 950
950
#18273A
oklch(26.9% 0.041 254.8)
#3C679F 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) | #4F6BA1 | 0.026 |
| Deuteranopia (no green cones) | #42619E | 0.017 |
| Tritanopia (no blue cones) | #00747B | 0.086 |
| Achromatopsia (no color) | #666666 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C679F
#3C679F
oklch(50.9% 0.102 255.7)
- #875C0F
#875C0F
oklch(50.9% 0.102 75.3)
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 #3C679F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.025
- Dusky Blue #475F94 ΔE 0.027
- Muted Blue #3B719F ΔE 0.029
- Denim #3B638C ΔE 0.031
- Mid Blue #276AB3 ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.037
- Peacock Blue #016795 ΔE 0.039
Use #3C679F 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.