#4B5AD5
Closest named color: Warm Blue (#4B57DB). oklch(52.7% 0.188 272.9), rgb(75, 90, 213).
Aa
White text reads best on this color (5.64:1).
About this color
#4B5AD5 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.188 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.012 away. White text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.72:1 |
| White text | 5.64:1 |
Values
| HEX | #4B5AD5 |
| RGB | rgb(75, 90, 213) |
| HSL | hsl(233, 62%, 56%) |
| OKLCH | oklch(52.7% 0.188 272.9) |
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 #4B5AD5 | 5.64:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #4B5AD5 | 3.72:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #4B5AD5 text on white | 5.64:1 | AA | Lc 77.8 | Fine for body text |
| #4B5AD5 text on black | 3.72:1 | AA large text | Lc -24.0 | 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
#AEBEF8
oklch(81% 0.084 272.5)
-
Step 400
400
#8599F4
oklch(70.6% 0.135 273.1)
-
Step 500
500
#697DF0
oklch(63.1% 0.172 273.1)
-
Step 600
600 (this color)
#4B5AD5
oklch(52.7% 0.188 272.9)
-
Step 700
700
#4351C2
oklch(49.1% 0.176 272.8)
-
Step 800
800
#37439C
oklch(42.6% 0.144 272.9)
-
Step 900
900
#2F3A7C
oklch(37.7% 0.112 272.8)
-
Step 950
950
#1B2249
oklch(26.9% 0.072 272.9)
#4B5AD5 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) | #006ED9 | 0.060 |
| Deuteranopia (no green cones) | #0061D3 | 0.050 |
| Tritanopia (no blue cones) | #00788F | 0.155 |
| Achromatopsia (no color) | #676767 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5AD5
#4B5AD5
oklch(52.7% 0.188 272.9)
- #816800
#816800
oklch(52.7% 0.108 92.2)
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 #4B5AD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.012
- Royal Blue #4169E1 ΔE 0.039
- Iris #6258C4 ΔE 0.041
- Neon Blue #4361EE ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.050
- Azul #1D5DEC ΔE 0.052
Use #4B5AD5 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.