#4F56C5
Closest named color: Iris (#6258C4). oklch(51% 0.17 275.8), rgb(79, 86, 197).
Aa
White text reads best on this color (6.05:1).
About this color
#4F56C5 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.170 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.029 away. White text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #4F56C5 |
| RGB | rgb(79, 86, 197) |
| HSL | hsl(236, 50%, 54%) |
| OKLCH | oklch(51% 0.17 275.8) |
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 #4F56C5 | 6.05:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #4F56C5 | 3.46:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #4F56C5 text on white | 6.05:1 | AA | Lc 79.9 | Fine for body text |
| #4F56C5 text on black | 3.46:1 | AA large text | Lc -22.0 | 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
#D0D7F8
oklch(88.4% 0.046 276)
-
Step 300
300
#B1BDF6
oklch(80.9% 0.082 275.2)
-
Step 400
400
#8A98F2
oklch(70.6% 0.132 275.8)
-
Step 500
500
#707CED
oklch(63.1% 0.168 275.9)
-
Step 600
600
#5A62DC
oklch(55.7% 0.183 275.9)
-
Step 700
700 (this color)
#4F56C5
oklch(51% 0.17 275.8)
-
Step 800
800
#3D429A
oklch(42.7% 0.141 276.2)
-
Step 900
900
#33397B
oklch(37.7% 0.111 275.8)
-
Step 950
950
#1E2248
oklch(27% 0.07 276.2)
#4F56C5 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) | #0068C9 | 0.064 |
| Deuteranopia (no green cones) | #005EC3 | 0.059 |
| Tritanopia (no blue cones) | #007085 | 0.146 |
| Achromatopsia (no color) | #636363 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F56C5
#4F56C5
oklch(51% 0.17 275.8)
- #786500
#786500
oklch(51% 0.105 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 #4F56C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.029
- Warm Blue #4B57DB ΔE 0.034
- Slate Blue #6A5ACD ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.046
- Light Indigo #6D5ACF ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.056
- Royal Blue #4169E1 ΔE 0.061
Use #4F56C5 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.