#4F68E1
Closest named color: Royal Blue (#4169E1). oklch(56.5% 0.185 270.6), rgb(79, 104, 225).
Aa
White text reads best on this color (4.77:1).
About this color
#4F68E1 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.185 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.015 away. White text reads best on it, at 4.77:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #4F68E1 |
| RGB | rgb(79, 104, 225) |
| HSL | hsl(230, 71%, 60%) |
| OKLCH | oklch(56.5% 0.185 270.6) |
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 #4F68E1 | 4.77:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #4F68E1 | 4.39:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #4F68E1 text on white | 4.77:1 | AA | Lc 72.7 | Content text, not long reading |
| #4F68E1 text on black | 4.39:1 | AA large text | Lc -28.9 | 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 600.
-
Step 50
50
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3E9FB
oklch(93.5% 0.025 271.1)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ACBEF7
oklch(80.8% 0.083 270.9)
-
Step 400
400
#819BF4
oklch(70.7% 0.134 270.4)
-
Step 500
500
#647FEF
oklch(63.1% 0.17 270.7)
-
Step 600
600 (this color)
#4F68E1
oklch(56.5% 0.185 270.6)
-
Step 700
700
#3E53C1
oklch(49.1% 0.173 270.5)
-
Step 800
800
#33459C
oklch(42.8% 0.143 270.4)
-
Step 900
900
#2C3B7C
oklch(37.7% 0.111 270.5)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#4F68E1 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) | #0B79E5 | 0.054 |
| Deuteranopia (no green cones) | #006CDF | 0.049 |
| Tritanopia (no blue cones) | #00859A | 0.155 |
| Achromatopsia (no color) | #737373 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F68E1
#4F68E1
oklch(56.5% 0.185 270.6)
- #907200
#907200
oklch(56.5% 0.116 90.3)
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 #4F68E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.015
- Neon Blue #4361EE ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.054
- Azul #1D5DEC ΔE 0.057
Use #4F68E1 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.