#4E54BC
Closest named color: Iris (#6258C4). oklch(49.9% 0.161 276.4), rgb(78, 84, 188).
Aa
White text reads best on this color (6.32:1).
About this color
#4E54BC is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.161 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.035 away. White text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.31:1 |
| White text | 6.32:1 |
Values
| HEX | #4E54BC |
| RGB | rgb(78, 84, 188) |
| HSL | hsl(237, 45%, 52%) |
| OKLCH | oklch(49.9% 0.161 276.4) |
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 #4E54BC | 6.32:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #4E54BC | 3.31:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #4E54BC text on white | 6.32:1 | AA | Lc 81.2 | Fine for body text |
| #4E54BC text on black | 3.31:1 | AA large text | Lc -20.7 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B3BDF3
oklch(80.9% 0.077 276.4)
-
Step 400
400
#8C99ED
oklch(70.7% 0.124 276.1)
-
Step 500
500
#727DE8
oklch(63.2% 0.159 276.4)
-
Step 600
600
#5C63D6
oklch(55.6% 0.174 276.5)
-
Step 700
700 (this color)
#4E54BC
oklch(49.9% 0.161 276.4)
-
Step 800
800
#3E4396
oklch(42.6% 0.134 276.5)
-
Step 900
900
#343A77
oklch(37.7% 0.103 276.1)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#4E54BC 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) | #0664C0 | 0.062 |
| Deuteranopia (no green cones) | #005BBA | 0.059 |
| Tritanopia (no blue cones) | #006C80 | 0.140 |
| Achromatopsia (no color) | #606060 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E54BC
#4E54BC
oklch(49.9% 0.161 276.4)
- #746200
#746200
oklch(49.9% 0.103 96.5)
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 #4E54BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.035
- Warm Blue #4B57DB ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.058
- Blurple #5539CC ΔE 0.062
Use #4E54BC 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.