#4756BD
Closest named color: Iris (#6258C4). oklch(49.9% 0.161 272.9), rgb(71, 86, 189).
Aa
White text reads best on this color (6.29:1).
About this color
#4756BD is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.161 and its hue 273°. 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 6.29:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.33:1 |
| White text | 6.29:1 |
Values
| HEX | #4756BD |
| RGB | rgb(71, 86, 189) |
| HSL | hsl(232, 47%, 51%) |
| OKLCH | oklch(49.9% 0.161 272.9) |
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 #4756BD | 6.29:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #4756BD | 3.33:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #4756BD text on white | 6.29:1 | AA | Lc 81.0 | Fine for body text |
| #4756BD text on black | 3.33:1 | AA large text | Lc -20.8 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF4
oklch(80.9% 0.078 272.5)
-
Step 400
400
#879AEE
oklch(70.6% 0.125 273.1)
-
Step 500
500
#6B7FE9
oklch(63.1% 0.16 273)
-
Step 600
600
#5466D7
oklch(55.7% 0.173 272.7)
-
Step 700
700 (this color)
#4756BD
oklch(49.9% 0.161 272.9)
-
Step 800
800
#394597
oklch(42.7% 0.134 273.1)
-
Step 900
900
#303B78
oklch(37.7% 0.104 272.8)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#4756BD 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) | #0B65C1 | 0.052 |
| Deuteranopia (no green cones) | #005BBB | 0.050 |
| Tritanopia (no blue cones) | #006E81 | 0.137 |
| Achromatopsia (no color) | #606060 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4756BD
#4756BD
oklch(49.9% 0.161 272.9)
- #776100
#776100
oklch(50% 0.102 93.4)
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 #4756BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.059
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.060
- Mid Blue #276AB3 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.064
Use #4756BD 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.