#4367B6
Closest named color: French Blue (#436BAD). oklch(52.7% 0.131 264), rgb(67, 103, 182).
Aa
White text reads best on this color (5.44:1).
About this color
#4367B6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.131 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.020 away. White text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #4367B6 |
| RGB | rgb(67, 103, 182) |
| HSL | hsl(221, 46%, 49%) |
| OKLCH | oklch(52.7% 0.131 264) |
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 #4367B6 | 5.44:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #4367B6 | 3.85:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #4367B6 text on white | 5.44:1 | AA | Lc 76.9 | Fine for body text |
| #4367B6 text on black | 3.85:1 | AA large text | Lc -24.8 | 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 600.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CED9F0
oklch(88.4% 0.034 265.2)
-
Step 300
300
#ADC1E8
oklch(80.9% 0.06 263.7)
-
Step 400
400
#83A0DC
oklch(70.7% 0.094 264.3)
-
Step 500
500
#6487D2
oklch(63% 0.12 264.3)
-
Step 600
600 (this color)
#4367B6
oklch(52.7% 0.131 264)
-
Step 700
700
#3C5DA5
oklch(49% 0.122 263.9)
-
Step 800
800
#324C86
oklch(42.6% 0.102 264.3)
-
Step 900
900
#2C406B
oklch(37.7% 0.078 264.1)
-
Step 950
950
#1A263F
oklch(27.1% 0.05 263.9)
#4367B6 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) | #436FB9 | 0.022 |
| Deuteranopia (no green cones) | #3165B4 | 0.020 |
| Tritanopia (no blue cones) | #007985 | 0.112 |
| Achromatopsia (no color) | #6A6A6A | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4367B6
#4367B6
oklch(52.7% 0.131 264)
- #886400
#886400
oklch(52.6% 0.108 83.8)
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 #4367B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.020
- Mid Blue #276AB3 ΔE 0.025
- Flat Blue #3C73A8 ΔE 0.044
- Windows Blue #3778BF ΔE 0.046
- Muted Blue #3B719F ΔE 0.051
- Dusky Blue #475F94 ΔE 0.054
- Iris #6258C4 ΔE 0.059
- Nice Blue #107AB0 ΔE 0.061
Use #4367B6 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.