#4D63C1
Closest named color: Iris (#6258C4). oklch(53.1% 0.148 270.7), rgb(77, 99, 193).
Aa
White text reads best on this color (5.42:1).
About this color
#4D63C1 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.148 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.038 away. White text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #4D63C1 |
| RGB | rgb(77, 99, 193) |
| HSL | hsl(229, 48%, 53%) |
| OKLCH | oklch(53.1% 0.148 270.7) |
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 #4D63C1 | 5.42:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #4D63C1 | 3.87:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #4D63C1 text on white | 5.42:1 | AA | Lc 76.8 | Fine for body text |
| #4D63C1 text on black | 3.87:1 | AA large text | Lc -24.9 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D8F3
oklch(88.5% 0.038 272.5)
-
Step 300
300
#B0BFED
oklch(80.9% 0.067 270.7)
-
Step 400
400
#879DE4
oklch(70.7% 0.107 270.3)
-
Step 500
500
#6B83DC
oklch(63.2% 0.137 270.7)
-
Step 600
600 (this color)
#4D63C1
oklch(53.1% 0.148 270.7)
-
Step 700
700
#4458AE
oklch(49% 0.138 270.7)
-
Step 800
800
#38498D
oklch(42.8% 0.114 270.4)
-
Step 900
900
#303D71
oklch(37.6% 0.09 271)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#4D63C1 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) | #336FC4 | 0.037 |
| Deuteranopia (no green cones) | #1E65BF | 0.042 |
| Tritanopia (no blue cones) | #007889 | 0.128 |
| Achromatopsia (no color) | #6A6A6A | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D63C1
#4D63C1
oklch(53.1% 0.148 270.7)
- #846900
#846900
oklch(53.2% 0.109 91)
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 #4D63C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- French Blue #436BAD ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.043
- Mid Blue #276AB3 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.049
- Royal Blue #4169E1 ΔE 0.051
- Warm Blue #4B57DB ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.054
Use #4D63C1 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.