#4B4FD8
Closest named color: Warm Blue (#4B57DB). oklch(51% 0.205 275.1), rgb(75, 79, 216).
Aa
White text reads best on this color (6.15:1).
About this color
#4B4FD8 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.205 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.018 away. White text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.40:1 |
| White text | 6.15:1 |
Values
| HEX | #4B4FD8 |
| RGB | rgb(75, 79, 216) |
| HSL | hsl(238, 64%, 57%) |
| OKLCH | oklch(51% 0.205 275.1) |
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 #4B4FD8 | 6.15:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #4B4FD8 | 3.40:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #4B4FD8 text on white | 6.15:1 | AA | Lc 80.1 | Fine for body text |
| #4B4FD8 text on black | 3.40:1 | AA large text | Lc -21.7 | 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
#CED7FE
oklch(88.5% 0.055 275)
-
Step 300
300
#AEBCFF
oklch(80.9% 0.096 274.9)
-
Step 400
400
#8696FF
oklch(70.7% 0.154 275.2)
-
Step 500
500
#6B77FF
oklch(63.1% 0.199 275.3)
-
Step 600
600
#555AF0
oklch(55.5% 0.22 275.1)
-
Step 700
700 (this color)
#4B4FD8
oklch(51% 0.205 275.1)
-
Step 800
800
#393DA9
oklch(42.7% 0.169 275)
-
Step 900
900
#303686
oklch(37.8% 0.132 274.9)
-
Step 950
950
#1C204E
oklch(26.9% 0.084 275.5)
#4B4FD8 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) | #0068DC | 0.068 |
| Deuteranopia (no green cones) | #005BD5 | 0.055 |
| Tritanopia (no blue cones) | #00728C | 0.168 |
| Achromatopsia (no color) | #616161 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4FD8
#4B4FD8
oklch(51% 0.205 275.1)
- #796500
#796500
oklch(51.1% 0.105 95.4)
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 #4B4FD8, closest first.
No curated palette has a color within ΔE 0.04 of #4B4FD8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.018
- Blurple #5539CC ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.050
- Neon Blue #4361EE ΔE 0.051
- Iris #6258C4 ΔE 0.053
- Azul #1D5DEC ΔE 0.055
- Purpley Blue #5F34E7 ΔE 0.055
Use #4B4FD8 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.