#4F4FB8
Closest named color: Iris (#6258C4). oklch(48.7% 0.162 278.6), rgb(79, 79, 184).
Aa
White text reads best on this color (6.68:1).
About this color
#4F4FB8 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.162 and its hue 279°. 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 6.68:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #4F4FB8 |
| RGB | rgb(79, 79, 184) |
| HSL | hsl(240, 43%, 52%) |
| OKLCH | oklch(48.7% 0.162 278.6) |
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 #4F4FB8 | 6.68:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #4F4FB8 | 3.14:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #4F4FB8 text on white | 6.68:1 | AA | Lc 82.6 | Fine for body text |
| #4F4FB8 text on black | 3.14:1 | AA large text | Lc -19.3 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300
#B5BCF3
oklch(80.9% 0.078 278.9)
-
Step 400
400
#8F98ED
oklch(70.7% 0.124 278.1)
-
Step 500
500
#767BE8
oklch(63.1% 0.161 278.7)
-
Step 600
600
#6062D6
oklch(55.6% 0.174 278.4)
-
Step 700
700 (this color)
#4F4FB8
oklch(48.7% 0.162 278.6)
-
Step 800
800
#414296
oklch(42.6% 0.135 278.5)
-
Step 900
900
#373977
oklch(37.7% 0.104 278.8)
-
Step 950
950
#202246
oklch(27.1% 0.066 278.6)
#4F4FB8 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) | #0060BC | 0.067 |
| Deuteranopia (no green cones) | #0058B6 | 0.064 |
| Tritanopia (no blue cones) | #13687C | 0.140 |
| Achromatopsia (no color) | #5C5C5C | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4FB8
#4F4FB8
oklch(48.7% 0.162 278.6)
- #6F6000
#6F6000
oklch(48.9% 0.101 98.6)
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 #4F4FB8, 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 0.046
- Blurple #5539CC ΔE 0.055
- Warm Blue #4B57DB ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.065
- Blueberry #464196 ΔE 0.065
Use #4F4FB8 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.