#4E56B3
Closest named color: Iris (#6258C4). oklch(49.6% 0.146 276), rgb(78, 86, 179).
Aa
White text reads best on this color (6.35:1).
About this color
#4E56B3 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.146 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.041 away. White text reads best on it, at 6.35:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #4E56B3 |
| RGB | rgb(78, 86, 179) |
| HSL | hsl(235, 40%, 50%) |
| OKLCH | oklch(49.6% 0.146 276) |
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 #4E56B3 | 6.35:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #4E56B3 | 3.30:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #4E56B3 text on white | 6.35:1 | AA | Lc 81.3 | Fine for body text |
| #4E56B3 text on black | 3.30:1 | AA large text | Lc -20.5 | 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 700.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D8F4
oklch(88.6% 0.039 276)
-
Step 300
300
#B4BDEF
oklch(80.9% 0.071 276.7)
-
Step 400
400
#8E9AE6
oklch(70.7% 0.112 276.3)
-
Step 500
500
#737FDF
oklch(63.1% 0.144 276.1)
-
Step 600
600
#5D66CD
oklch(55.6% 0.157 276.3)
-
Step 700
700 (this color)
#4E56B3
oklch(49.6% 0.146 276)
-
Step 800
800
#3F4690
oklch(42.8% 0.121 276)
-
Step 900
900
#353B73
oklch(37.7% 0.095 276.2)
-
Step 950
950
#1F2343
oklch(27% 0.059 276.3)
#4E56B3 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) | #2364B6 | 0.051 |
| Deuteranopia (no green cones) | #105BB1 | 0.055 |
| Tritanopia (no blue cones) | #166B7C | 0.128 |
| Achromatopsia (no color) | #5F5F5F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E56B3
#4E56B3
oklch(49.6% 0.146 276)
- #746100
#746100
oklch(49.6% 0.102 95.6)
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 #4E56B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.041
- French Blue #436BAD ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.060
- Dusky Blue #475F94 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.061
- Warm Blue #4B57DB ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.062
- Bluey Purple #6241C7 ΔE 0.063
Use #4E56B3 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.