#4756BA
Closest named color: Iris (#6258C4). oklch(49.7% 0.157 272.9), rgb(71, 86, 186).
Aa
White text reads best on this color (6.34:1).
About this color
#4756BA is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.157 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 6.34:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.30:1 |
| White text | 6.34:1 |
Values
| HEX | #4756BA |
| RGB | rgb(71, 86, 186) |
| HSL | hsl(232, 45%, 50%) |
| OKLCH | oklch(49.7% 0.157 272.9) |
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 #4756BA | 6.34:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #4756BA | 3.30:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #4756BA text on white | 6.34:1 | AA | Lc 81.3 | Fine for body text |
| #4756BA text on black | 3.30:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF3
oklch(80.9% 0.077 273.1)
-
Step 400
400
#879BEC
oklch(70.7% 0.121 272.4)
-
Step 500
500
#6B7FE6
oklch(63% 0.156 272.9)
-
Step 600
600
#5566D4
oklch(55.5% 0.169 273)
-
Step 700
700 (this color)
#4756BA
oklch(49.7% 0.157 272.9)
-
Step 800
800
#394695
oklch(42.8% 0.13 272.7)
-
Step 900
900
#313B77
oklch(37.7% 0.102 273.4)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#4756BA 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) | #1465BD | 0.051 |
| Deuteranopia (no green cones) | #005BB8 | 0.050 |
| Tritanopia (no blue cones) | #006D7F | 0.134 |
| Achromatopsia (no color) | #5F5F5F | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4756BA
#4756BA
oklch(49.7% 0.157 272.9)
- #766000
#766000
oklch(49.6% 0.102 93.2)
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 #4756BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.052
- Mid Blue #276AB3 ΔE 0.059
- Slate Blue #6A5ACD ΔE 0.061
- Blue With A Hint Of Purple #533CC6 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.063
- French Blue #436BAD ΔE 0.063
Use #4756BA 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.