#4F54B6
Closest named color: Iris (#6258C4). oklch(49.5% 0.152 277.1), rgb(79, 84, 182).
Aa
White text reads best on this color (6.41:1).
About this color
#4F54B6 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.152 and its hue 277°. 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 6.41:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.27:1 |
| White text | 6.41:1 |
Values
| HEX | #4F54B6 |
| RGB | rgb(79, 84, 182) |
| HSL | hsl(237, 41%, 51%) |
| OKLCH | oklch(49.5% 0.152 277.1) |
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 #4F54B6 | 6.41:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #4F54B6 | 3.27:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #4F54B6 text on white | 6.41:1 | AA | Lc 81.6 | Fine for body text |
| #4F54B6 text on black | 3.27:1 | AA large text | Lc -20.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B4BDF1
oklch(80.9% 0.074 277)
-
Step 400
400
#8E99E9
oklch(70.7% 0.117 277)
-
Step 500
500
#747EE3
oklch(63.2% 0.151 276.9)
-
Step 600
600
#5E65D1
oklch(55.7% 0.164 276.9)
-
Step 700
700 (this color)
#4F54B6
oklch(49.5% 0.152 277.1)
-
Step 800
800
#404492
oklch(42.7% 0.126 277.4)
-
Step 900
900
#363A75
oklch(37.7% 0.099 277.6)
-
Step 950
950
#1F2344
oklch(27.1% 0.061 276.3)
#4F54B6 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) | #1863B9 | 0.058 |
| Deuteranopia (no green cones) | #005BB4 | 0.061 |
| Tritanopia (no blue cones) | #156A7D | 0.132 |
| Achromatopsia (no color) | #5F5F5F | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F54B6
#4F54B6
oklch(49.5% 0.152 277.1)
- #726100
#726100
oklch(49.4% 0.102 97.1)
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 #4F54B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- Bluey Purple #6241C7 ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.057
- Warm Blue #4B57DB ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Dark Periwinkle #665FD1 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.063
- French Blue #436BAD ΔE 0.065
Use #4F54B6 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.