#4B5DCD
Closest named color: Warm Blue (#4B57DB). oklch(52.7% 0.173 272.2), rgb(75, 93, 205).
Aa
White text reads best on this color (5.60:1).
About this color
#4B5DCD is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.173 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.026 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #4B5DCD |
| RGB | rgb(75, 93, 205) |
| HSL | hsl(232, 57%, 55%) |
| OKLCH | oklch(52.7% 0.173 272.2) |
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 #4B5DCD | 5.60:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #4B5DCD | 3.74:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #4B5DCD text on white | 5.60:1 | AA | Lc 77.7 | Fine for body text |
| #4B5DCD text on black | 3.74:1 | AA large text | Lc -24.1 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF4
oklch(80.9% 0.078 272.5)
-
Step 400
400
#869BEE
oklch(70.8% 0.124 272.1)
-
Step 500
500
#697FE9
oklch(63% 0.16 272.2)
-
Step 600
600 (this color)
#4B5DCD
oklch(52.7% 0.173 272.2)
-
Step 700
700
#4454BA
oklch(49.1% 0.161 272.4)
-
Step 800
800
#374597
oklch(42.6% 0.134 272.2)
-
Step 900
900
#2F3B78
oklch(37.6% 0.104 272.1)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#4B5DCD 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) | #036ED1 | 0.056 |
| Deuteranopia (no green cones) | #0062CB | 0.050 |
| Tritanopia (no blue cones) | #00788C | 0.146 |
| Achromatopsia (no color) | #686868 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5DCD
#4B5DCD
oklch(52.7% 0.173 272.2)
- #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 #4B5DCD, closest first.
No curated palette has a color within ΔE 0.04 of #4B5DCD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.026
- Iris #6258C4 ΔE 0.035
- Dark Periwinkle #665FD1 ΔE 0.039
- Royal Blue #4169E1 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.048
- Neon Blue #4361EE ΔE 0.051
- Azul #1D5DEC ΔE 0.061
Use #4B5DCD 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.