#4B5ED8
Closest named color: Warm Blue (#4B57DB). oklch(53.7% 0.187 271.9), rgb(75, 94, 216).
Aa
White text reads best on this color (5.39:1).
About this color
#4B5ED8 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.187 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.017 away. White text reads best on it, at 5.39:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #4B5ED8 |
| RGB | rgb(75, 94, 216) |
| HSL | hsl(232, 64%, 57%) |
| OKLCH | oklch(53.7% 0.187 271.9) |
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 #4B5ED8 | 5.39:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #4B5ED8 | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #4B5ED8 text on white | 5.39:1 | AA | Lc 76.5 | Fine for body text |
| #4B5ED8 text on black | 3.89:1 | AA large text | Lc -25.3 | 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 600.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF8
oklch(80.9% 0.084 271.8)
-
Step 400
400
#839AF4
oklch(70.7% 0.134 271.7)
-
Step 500
500
#667EF0
oklch(63.1% 0.172 271.7)
-
Step 600
600 (this color)
#4B5ED8
oklch(53.7% 0.187 271.9)
-
Step 700
700
#4152C1
oklch(49.1% 0.174 271.8)
-
Step 800
800
#35449C
oklch(42.7% 0.144 271.6)
-
Step 900
900
#2E3A7C
oklch(37.6% 0.112 272.2)
-
Step 950
950
#1B2349
oklch(27.1% 0.071 272)
#4B5ED8 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) | #0071DC | 0.058 |
| Deuteranopia (no green cones) | #0064D6 | 0.048 |
| Tritanopia (no blue cones) | #007C92 | 0.155 |
| Achromatopsia (no color) | #6A6A6A | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5ED8
#4B5ED8
oklch(53.7% 0.187 271.9)
- #856B00
#856B00
oklch(53.8% 0.11 92)
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 #4B5ED8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.017
- Royal Blue #4169E1 ΔE 0.029
- Neon Blue #4361EE ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.039
- Iris #6258C4 ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.049
- Azul #1D5DEC ΔE 0.050
Use #4B5ED8 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.