#4C50BB
Closest named color: Iris (#6258C4). oklch(48.9% 0.165 276.8), rgb(76, 80, 187).
Aa
White text reads best on this color (6.61:1).
About this color
#4C50BB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.165 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.042 away. White text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.17:1 |
| White text | 6.61:1 |
Values
| HEX | #4C50BB |
| RGB | rgb(76, 80, 187) |
| HSL | hsl(238, 45%, 52%) |
| OKLCH | oklch(48.9% 0.165 276.8) |
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 #4C50BB | 6.61:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #4C50BB | 3.17:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #4C50BB text on white | 6.61:1 | AA | Lc 82.4 | Fine for body text |
| #4C50BB text on black | 3.17:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B3BDF5
oklch(81% 0.08 276.6)
-
Step 400
400
#8C98EF
oklch(70.6% 0.128 276.6)
-
Step 500
500
#727CEA
oklch(63.1% 0.163 276.7)
-
Step 600
600
#5C62D8
oklch(55.5% 0.178 276.7)
-
Step 700
700 (this color)
#4C50BB
oklch(48.9% 0.165 276.8)
-
Step 800
800
#3E4398
oklch(42.8% 0.137 276.4)
-
Step 900
900
#343979
oklch(37.6% 0.107 276.6)
-
Step 950
950
#1F2247
oklch(27.1% 0.068 277.3)
#4C50BB 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) | #0061BF | 0.063 |
| Deuteranopia (no green cones) | #0058B9 | 0.059 |
| Tritanopia (no blue cones) | #00697D | 0.143 |
| Achromatopsia (no color) | #5D5D5D | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C50BB
#4C50BB
oklch(48.9% 0.165 276.8)
- #715F00
#715F00
oklch(48.9% 0.101 96.1)
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 #4C50BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.048
- Warm Blue #4B57DB ΔE 0.052
- Blurple #5539CC ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.060
- Majorelle Blue #3F37C9 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.065
Use #4C50BB 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.