#4F4BCF
Closest named color: Warm Blue (#4B57DB). oklch(49.9% 0.197 277.8), rgb(79, 75, 207).
Aa
White text reads best on this color (6.48:1).
About this color
#4F4BCF is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.197 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.032 away. White text reads best on it, at 6.48:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.197) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #4F4BCF |
| RGB | rgb(79, 75, 207) |
| HSL | hsl(242, 58%, 55%) |
| OKLCH | oklch(49.9% 0.197 277.8) |
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 #4F4BCF | 6.48:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #4F4BCF | 3.23:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #4F4BCF text on white | 6.48:1 | AA | Lc 81.6 | Fine for body text |
| #4F4BCF text on black | 3.23:1 | AA large text | Lc -20.3 | 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
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#D0D7FD
oklch(88.6% 0.053 277)
-
Step 300
300
#B2BBFE
oklch(80.9% 0.095 278.1)
-
Step 400
400
#8B95FE
oklch(70.8% 0.153 277.6)
-
Step 500
500
#7276FC
oklch(63.2% 0.195 277.9)
-
Step 600
600
#5D5AEB
oklch(55.6% 0.212 277.9)
-
Step 700
700 (this color)
#4F4BCF
oklch(49.9% 0.197 277.8)
-
Step 800
800
#3F3DA5
oklch(42.8% 0.163 277.9)
-
Step 900
900
#343583
oklch(37.6% 0.128 277.7)
-
Step 950
950
#1E204D
oklch(27% 0.081 277.5)
#4F4BCF 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) | #0064D3 | 0.073 |
| Deuteranopia (no green cones) | #0059CC | 0.064 |
| Tritanopia (no blue cones) | #006D86 | 0.166 |
| Achromatopsia (no color) | #5E5E5E | 0.198 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4BCF
#4F4BCF
oklch(49.9% 0.197 277.8)
- #736300
#736300
oklch(50% 0.103 98.1)
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 #4F4BCF, closest first.
No curated palette has a color within ΔE 0.04 of #4F4BCF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.032
- Blue With A Hint Of Purple #533CC6 ΔE 0.034
- Blurple #5539CC ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.036
- Iris #6258C4 ΔE 0.048
- Majorelle Blue #3F37C9 ΔE 0.051
- Purpley Blue #5F34E7 ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.057
Use #4F4BCF 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.