#4D56CF
Closest named color: Warm Blue (#4B57DB). oklch(51.7% 0.184 274.7), rgb(77, 86, 207).
Aa
White text reads best on this color (5.91:1).
About this color
#4D56CF is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.184 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.019 away. White text reads best on it, at 5.91:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.54:1 |
| White text | 5.91:1 |
Values
| HEX | #4D56CF |
| RGB | rgb(77, 86, 207) |
| HSL | hsl(236, 58%, 56%) |
| OKLCH | oklch(51.7% 0.184 274.7) |
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 #4D56CF | 5.91:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #4D56CF | 3.54:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #4D56CF text on white | 5.91:1 | AA | Lc 79.2 | Fine for body text |
| #4D56CF text on black | 3.54:1 | AA large text | Lc -22.6 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#AFBDFB
oklch(81% 0.089 274.4)
-
Step 400
400
#8798F9
oklch(70.8% 0.143 274.7)
-
Step 500
500
#6B7AF5
oklch(63% 0.182 274.7)
-
Step 600
600
#5660E4
oklch(55.7% 0.197 274.7)
-
Step 700
700 (this color)
#4D56CF
oklch(51.7% 0.184 274.7)
-
Step 800
800
#3A41A0
oklch(42.7% 0.152 274.8)
-
Step 900
900
#31387F
oklch(37.7% 0.119 274.9)
-
Step 950
950
#1C224A
oklch(27% 0.074 274)
#4D56CF 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) | #006AD3 | 0.063 |
| Deuteranopia (no green cones) | #005ECD | 0.055 |
| Tritanopia (no blue cones) | #00738A | 0.154 |
| Achromatopsia (no color) | #646464 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D56CF
#4D56CF
oklch(51.7% 0.184 274.7)
- #7B6600
#7B6600
oklch(51.5% 0.106 94.8)
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 #4D56CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.019
- Iris #6258C4 ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.050
- Royal Blue #4169E1 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.053
- Neon Blue #4361EE ΔE 0.053
Use #4D56CF 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.