#4F50DD
Closest named color: Warm Blue (#4B57DB). oklch(51.9% 0.209 276), rgb(79, 80, 221).
Aa
White text reads best on this color (5.95:1).
About this color
#4F50DD is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.209 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.015 away. White text reads best on it, at 5.95:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.209) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.52:1 |
| White text | 5.95:1 |
Values
| HEX | #4F50DD |
| RGB | rgb(79, 80, 221) |
| HSL | hsl(240, 68%, 59%) |
| OKLCH | oklch(51.9% 0.209 276) |
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 #4F50DD | 5.95:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #4F50DD | 3.52:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #4F50DD text on white | 5.95:1 | AA | Lc 79.2 | Fine for body text |
| #4F50DD text on black | 3.52:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FE
oklch(93.7% 0.029 275.2)
-
Step 200
200
#CED7FF
oklch(88.5% 0.056 275.2)
-
Step 300
300
#AFBCFF
oklch(80.9% 0.096 275.6)
-
Step 400
400
#8896FF
oklch(70.8% 0.153 276)
-
Step 500
500
#6D76FF
oklch(63% 0.2 276.2)
-
Step 600
600
#5758F3
oklch(55.6% 0.226 275.9)
-
Step 700
700 (this color)
#4F50DD
oklch(51.9% 0.209 276)
-
Step 800
800
#3B3BAB
oklch(42.7% 0.174 276.1)
-
Step 900
900
#313587
oklch(37.7% 0.135 275.7)
-
Step 950
950
#1C204F
oklch(27% 0.085 275.5)
#4F50DD 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) | #006AE1 | 0.071 |
| Deuteranopia (no green cones) | #005DDA | 0.059 |
| Tritanopia (no blue cones) | #00748F | 0.172 |
| Achromatopsia (no color) | #646464 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F50DD
#4F50DD
oklch(51.9% 0.209 276)
- #7B6700
#7B6700
oklch(51.8% 0.106 95.6)
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 #4F50DD, closest first.
No curated palette has a color within ΔE 0.04 of #4F50DD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.015
- Neon Blue #4361EE ΔE 0.045
- Purpley Blue #5F34E7 ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.053
- Blurple #5539CC ΔE 0.053
- Iris #6258C4 ΔE 0.053
- Azul #1D5DEC ΔE 0.054
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
Use #4F50DD 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.