#4F4FBD
Closest named color: Iris (#6258C4). oklch(49.1% 0.169 278.2), rgb(79, 79, 189).
Aa
White text reads best on this color (6.59:1).
About this color
#4F4FBD is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.169 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.039 away. White text reads best on it, at 6.59:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.18:1 |
| White text | 6.59:1 |
Values
| HEX | #4F4FBD |
| RGB | rgb(79, 79, 189) |
| HSL | hsl(240, 45%, 53%) |
| OKLCH | oklch(49.1% 0.169 278.2) |
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 #4F4FBD | 6.59:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #4F4FBD | 3.18:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #4F4FBD text on white | 6.59:1 | AA | Lc 82.2 | Fine for body text |
| #4F4FBD text on black | 3.18:1 | AA large text | Lc -19.7 | 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
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F8
oklch(88.6% 0.046 278.6)
-
Step 300
300
#B4BCF5
oklch(80.9% 0.081 278.2)
-
Step 400
400
#8E97F1
oklch(70.7% 0.131 278.1)
-
Step 500
500
#757BEB
oklch(63.2% 0.165 278.2)
-
Step 600
600
#5F61DA
oklch(55.7% 0.181 278)
-
Step 700
700 (this color)
#4F4FBD
oklch(49.1% 0.169 278.2)
-
Step 800
800
#404199
oklch(42.6% 0.14 278.1)
-
Step 900
900
#36387A
oklch(37.7% 0.11 278.4)
-
Step 950
950
#1F2247
oklch(27.1% 0.068 277.3)
#4F4FBD 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) | #0062C1 | 0.068 |
| Deuteranopia (no green cones) | #0058BB | 0.063 |
| Tritanopia (no blue cones) | #04697E | 0.146 |
| Achromatopsia (no color) | #5D5D5D | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F4FBD
#4F4FBD
oklch(49.1% 0.169 278.2)
- #706100
#706100
oklch(49.2% 0.102 98.7)
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 #4F4FBD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.039
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Bluey Purple #6241C7 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.049
- Blurple #5539CC ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.057
- Majorelle Blue #3F37C9 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.062
Use #4F4FBD 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.