#4756C1
Closest named color: Iris (#6258C4). oklch(50.2% 0.167 272.9), rgb(71, 86, 193).
Aa
White text reads best on this color (6.23:1).
About this color
#4756C1 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.167 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 6.23:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.36:1 |
| White text | 6.23:1 |
Values
| HEX | #4756C1 |
| RGB | rgb(71, 86, 193) |
| HSL | hsl(233, 50%, 52%) |
| OKLCH | oklch(50.2% 0.167 272.9) |
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 #4756C1 | 6.23:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #4756C1 | 3.36:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #4756C1 text on white | 6.23:1 | AA | Lc 80.7 | Fine for body text |
| #4756C1 text on black | 3.36:1 | AA large text | Lc -21.2 | 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
#CFD8F8
oklch(88.5% 0.045 273)
-
Step 300
300
#AFBEF6
oklch(81% 0.081 272.8)
-
Step 400
400
#869AF1
oklch(70.7% 0.129 272.9)
-
Step 500
500
#6A7EEC
oklch(63.1% 0.165 273)
-
Step 600
600
#5365DA
oklch(55.6% 0.179 272.6)
-
Step 700
700 (this color)
#4756C1
oklch(50.2% 0.167 272.9)
-
Step 800
800
#384499
oklch(42.6% 0.138 273)
-
Step 900
900
#303B7A
oklch(37.8% 0.107 272.8)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#4756C1 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) | #0066C5 | 0.055 |
| Deuteranopia (no green cones) | #005BBF | 0.049 |
| Tritanopia (no blue cones) | #006F83 | 0.140 |
| Achromatopsia (no color) | #616161 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4756C1
#4756C1
oklch(50.2% 0.167 272.9)
- #786100
#786100
oklch(50.1% 0.103 92.6)
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 #4756C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Warm Blue #4B57DB ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Bluey Purple #6241C7 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.062
- Mid Blue #276AB3 ΔE 0.063
Use #4756C1 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.