#4368AF
Closest named color: French Blue (#436BAD). oklch(52.5% 0.12 262.3), rgb(67, 104, 175).
Aa
White text reads best on this color (5.47:1).
About this color
#4368AF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.120 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.010 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #4368AF |
| RGB | rgb(67, 104, 175) |
| HSL | hsl(219, 45%, 47%) |
| OKLCH | oklch(52.5% 0.12 262.3) |
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 #4368AF | 5.47:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #4368AF | 3.83:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #4368AF text on white | 5.47:1 | AA | Lc 77.1 | Fine for body text |
| #4368AF text on black | 3.83:1 | AA large text | Lc -24.7 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFDAEE
oklch(88.6% 0.03 262.5)
-
Step 300
300
#AEC1E4
oklch(80.8% 0.054 262.6)
-
Step 400
400
#83A1D7
oklch(70.7% 0.086 261.9)
-
Step 500
500
#6489CC
oklch(63.1% 0.11 261.7)
-
Step 600
600 (this color)
#4368AF
oklch(52.5% 0.12 262.3)
-
Step 700
700
#3D5FA0
oklch(49.2% 0.112 262.2)
-
Step 800
800
#324E81
oklch(42.8% 0.092 261.5)
-
Step 900
900
#2C4168
oklch(37.7% 0.072 262)
-
Step 950
950
#1A263D
oklch(27% 0.046 262.7)
#4368AF 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) | #496FB2 | 0.022 |
| Deuteranopia (no green cones) | #3A65AE | 0.014 |
| Tritanopia (no blue cones) | #007883 | 0.102 |
| Achromatopsia (no color) | #696969 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4368AF
#4368AF
oklch(52.5% 0.12 262.3)
- #896300
#896300
oklch(52.5% 0.108 82.2)
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 #4368AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.010
- Mid Blue #276AB3 ΔE 0.024
- Flat Blue #3C73A8 ΔE 0.035
- Muted Blue #3B719F ΔE 0.041
- Dusky Blue #475F94 ΔE 0.045
- Windows Blue #3778BF ΔE 0.046
- Dull Blue #49759C ΔE 0.054
- Nice Blue #107AB0 ΔE 0.055
Use #4368AF 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.