#4F54DC
Closest named color: Warm Blue (#4B57DB). oklch(52.5% 0.203 275.3), rgb(79, 84, 220).
Aa
White text reads best on this color (5.77:1).
About this color
#4F54DC is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.203 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.008 away. White text reads best on it, at 5.77:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.203) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #4F54DC |
| RGB | rgb(79, 84, 220) |
| HSL | hsl(238, 67%, 59%) |
| OKLCH | oklch(52.5% 0.203 275.3) |
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 #4F54DC | 5.77:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #4F54DC | 3.63:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #4F54DC text on white | 5.77:1 | AA | Lc 78.4 | Fine for body text |
| #4F54DC text on black | 3.63:1 | AA large text | Lc -23.4 | 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 600.
-
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
#AFBCFC
oklch(80.8% 0.092 275.3)
-
Step 400
400
#8797FB
oklch(70.7% 0.147 275.1)
-
Step 500
500
#6C79F8
oklch(63% 0.188 275.3)
-
Step 600
600 (this color)
#4F54DC
oklch(52.5% 0.203 275.3)
-
Step 700
700
#484CC9
oklch(49.1% 0.19 275.5)
-
Step 800
800
#3A40A2
oklch(42.7% 0.156 275)
-
Step 900
900
#313781
oklch(37.6% 0.123 275.3)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#4F54DC 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) | #006CE0 | 0.069 |
| Deuteranopia (no green cones) | #005FD9 | 0.057 |
| Tritanopia (no blue cones) | #007690 | 0.168 |
| Achromatopsia (no color) | #666666 | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F54DC
#4F54DC
oklch(52.5% 0.203 275.3)
- #7E6900
#7E6900
oklch(52.6% 0.108 95.2)
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 #4F54DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.008
- Neon Blue #4361EE ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.048
- Iris #6258C4 ΔE 0.048
- Royal Blue #4169E1 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.050
- Azul #1D5DEC ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.053
Use #4F54DC 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.