#4F6EB7
Closest named color: French Blue (#436BAD). oklch(54.9% 0.12 265.3), rgb(79, 110, 183).
Aa
White text reads best on this color (4.94:1).
About this color
#4F6EB7 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.120 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.023 away. White text reads best on it, at 4.94:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #4F6EB7 |
| RGB | rgb(79, 110, 183) |
| HSL | hsl(222, 42%, 51%) |
| OKLCH | oklch(54.9% 0.12 265.3) |
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 #4F6EB7 | 4.94:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #4F6EB7 | 4.24:1 | AA large text | Lc 30.0 | Non-text elements, placeholder text |
| #4F6EB7 text on white | 4.94:1 | AA | Lc 74.1 | Content text, not long reading |
| #4F6EB7 text on black | 4.24:1 | AA large text | Lc -27.6 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EE
oklch(88.5% 0.031 267.2)
-
Step 300
300
#B0C1E4
oklch(81% 0.053 264.7)
-
Step 400
400
#87A0D7
oklch(70.8% 0.086 265.4)
-
Step 500
500
#6987CC
oklch(63% 0.11 265.5)
-
Step 600
600 (this color)
#4F6EB7
oklch(54.9% 0.12 265.3)
-
Step 700
700
#425DA0
oklch(49% 0.112 265.9)
-
Step 800
800
#364D81
oklch(42.8% 0.091 264.8)
-
Step 900
900
#2F4068
oklch(37.7% 0.072 265.6)
-
Step 950
950
#1C263D
oklch(27.1% 0.045 265.6)
#4F6EB7 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) | #4F75BA | 0.019 |
| Deuteranopia (no green cones) | #426CB5 | 0.017 |
| Tritanopia (no blue cones) | #057E89 | 0.108 |
| Achromatopsia (no color) | #707070 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6EB7
#4F6EB7
oklch(54.9% 0.12 265.3)
- #8F6B00
#8F6B00
oklch(54.9% 0.112 85.2)
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 #4F6EB7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.023
- Windows Blue #3778BF ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.041
- Muted Blue #3B719F ΔE 0.047
- Dull Blue #49759C ΔE 0.052
- Nice Blue #107AB0 ΔE 0.054
- Steel Blue #4682B4 ΔE 0.057
Use #4F6EB7 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.