#4269BF
Closest named color: French Blue (#436BAD). oklch(53.6% 0.142 263.9), rgb(66, 105, 191).
Aa
White text reads best on this color (5.24:1).
About this color
#4269BF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.142 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.030 away. White text reads best on it, at 5.24:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #4269BF |
| RGB | rgb(66, 105, 191) |
| HSL | hsl(221, 49%, 50%) |
| OKLCH | oklch(53.6% 0.142 263.9) |
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 #4269BF | 5.24:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #4269BF | 4.00:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #4269BF text on white | 5.24:1 | AA | Lc 75.8 | Fine for body text |
| #4269BF text on black | 4.00:1 | AA large text | Lc -26.0 | 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 600.
-
Step 50
50
#F2F5FB
oklch(97% 0.009 264.5)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDDAF1
oklch(88.6% 0.035 262)
-
Step 300
300
#ACC1EB
oklch(80.9% 0.064 264.1)
-
Step 400
400
#80A0E1
oklch(70.8% 0.102 263.9)
-
Step 500
500
#6087D8
oklch(63.1% 0.13 263.6)
-
Step 600
600 (this color)
#4269BF
oklch(53.6% 0.142 263.9)
-
Step 700
700
#395CAB
oklch(49% 0.133 264.1)
-
Step 800
800
#2F4C8A
oklch(42.7% 0.109 263.6)
-
Step 900
900
#2A406E
oklch(37.8% 0.084 263.6)
-
Step 950
950
#192641
oklch(27.2% 0.054 263.7)
#4269BF 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) | #3F72C2 | 0.024 |
| Deuteranopia (no green cones) | #2A67BD | 0.023 |
| Tritanopia (no blue cones) | #007D8B | 0.117 |
| Achromatopsia (no color) | #6C6C6C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4269BF
#4269BF
oklch(53.6% 0.142 263.9)
- #8C6700
#8C6700
oklch(53.7% 0.11 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 #4269BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.030
- Mid Blue #276AB3 ΔE 0.031
- Windows Blue #3778BF ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.050
- Royal Blue #4169E1 ΔE 0.053
- Iris #6258C4 ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.059
- Muted Blue #3B719F ΔE 0.060
Use #4269BF 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.