#4D5DDF
Closest named color: Warm Blue (#4B57DB). oklch(54.2% 0.197 272.7), rgb(77, 93, 223).
Aa
White text reads best on this color (5.32:1).
About this color
#4D5DDF is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.197 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.016 away. White text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.197) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.94:1 |
| White text | 5.32:1 |
Values
| HEX | #4D5DDF |
| RGB | rgb(77, 93, 223) |
| HSL | hsl(233, 70%, 59%) |
| OKLCH | oklch(54.2% 0.197 272.7) |
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 #4D5DDF | 5.32:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #4D5DDF | 3.94:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #4D5DDF text on white | 5.32:1 | AA | Lc 76.0 | Fine for body text |
| #4D5DDF text on black | 3.94:1 | AA large text | Lc -25.7 | 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 600.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FB
oklch(88.6% 0.049 272.8)
-
Step 300
300
#ADBDFB
oklch(80.8% 0.09 273.1)
-
Step 400
400
#8399F8
oklch(70.7% 0.141 272.5)
-
Step 500
500
#677CF5
oklch(63.1% 0.181 272.8)
-
Step 600
600 (this color)
#4D5DDF
oklch(54.2% 0.197 272.7)
-
Step 700
700
#4250C6
oklch(49.2% 0.182 272.6)
-
Step 800
800
#3642A0
oklch(42.7% 0.152 272.7)
-
Step 900
900
#2E397F
oklch(37.7% 0.118 272.7)
-
Step 950
950
#1B224A
oklch(27% 0.074 273)
#4D5DDF 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) | #0072E3 | 0.061 |
| Deuteranopia (no green cones) | #0065DC | 0.051 |
| Tritanopia (no blue cones) | #007D95 | 0.162 |
| Achromatopsia (no color) | #6B6B6B | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D5DDF
#4D5DDF
oklch(54.2% 0.197 272.7)
- #866C00
#866C00
oklch(54.1% 0.111 92.1)
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 #4D5DDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.016
- Neon Blue #4361EE ΔE 0.026
- Royal Blue #4169E1 ΔE 0.029
- Dark Periwinkle #665FD1 ΔE 0.041
- Azul #1D5DEC ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.049
- Iris #6258C4 ΔE 0.050
- Light Indigo #6D5ACF ΔE 0.051
Use #4D5DDF 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.