#4763BF
Closest named color: French Blue (#436BAD). oklch(52.6% 0.148 268.3), rgb(71, 99, 191).
Aa
White text reads best on this color (5.51:1).
About this color
#4763BF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.148 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.039 away. White text reads best on it, at 5.51:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.80:1 |
| White text | 5.51:1 |
Values
| HEX | #4763BF |
| RGB | rgb(71, 99, 191) |
| HSL | hsl(226, 48%, 51%) |
| OKLCH | oklch(52.6% 0.148 268.3) |
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 #4763BF | 5.51:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #4763BF | 3.80:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #4763BF text on white | 5.51:1 | AA | Lc 77.3 | Fine for body text |
| #4763BF text on black | 3.80:1 | AA large text | Lc -24.5 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AEC0ED
oklch(81% 0.067 267.8)
-
Step 400
400
#849EE3
oklch(70.7% 0.106 267.9)
-
Step 500
500
#6784DB
oklch(63.1% 0.135 268.4)
-
Step 600
600 (this color)
#4763BF
oklch(52.6% 0.148 268.3)
-
Step 700
700
#405AAE
oklch(49.2% 0.137 268.1)
-
Step 800
800
#354A8D
oklch(42.8% 0.114 268.2)
-
Step 900
900
#2E3E70
oklch(37.7% 0.088 268.6)
-
Step 950
950
#1B2542
oklch(27.1% 0.056 268.2)
#4763BF 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) | #346EC2 | 0.031 |
| Deuteranopia (no green cones) | #1C64BD | 0.036 |
| Tritanopia (no blue cones) | #007888 | 0.125 |
| Achromatopsia (no color) | #696969 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4763BF
#4763BF
oklch(52.6% 0.148 268.3)
- #846600
#846600
oklch(52.6% 0.107 88.4)
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 #4763BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.039
- Mid Blue #276AB3 ΔE 0.039
- Iris #6258C4 ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.051
- Royal Blue #4169E1 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.056
- Windows Blue #3778BF ΔE 0.057
Use #4763BF 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.