#4F6CE3
Closest named color: Royal Blue (#4169E1). oklch(57.4% 0.183 269.5), rgb(79, 108, 227).
Aa
Black text reads best on this color (4.58:1).
About this color
#4F6CE3 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.183 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.018 away. Black text reads best on it, at 4.58:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #4F6CE3 |
| RGB | rgb(79, 108, 227) |
| HSL | hsl(228, 73%, 60%) |
| OKLCH | oklch(57.4% 0.183 269.5) |
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 #4F6CE3 | 4.57:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #4F6CE3 | 4.58:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #4F6CE3 text on white | 4.57:1 | AA | Lc 71.4 | Content text, not long reading |
| #4F6CE3 text on black | 4.58:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ABBFF7
oklch(80.9% 0.083 269.3)
-
Step 400
400
#809BF3
oklch(70.6% 0.133 269.8)
-
Step 500
500
#6280EE
oklch(63.1% 0.168 269.6)
-
Step 600
600 (this color)
#4F6CE3
oklch(57.4% 0.183 269.5)
-
Step 700
700
#3C54C0
oklch(49.1% 0.171 269.6)
-
Step 800
800
#31469B
oklch(42.8% 0.141 269.2)
-
Step 900
900
#2B3B7B
oklch(37.6% 0.11 269.8)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#4F6CE3 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) | #1D7CE7 | 0.049 |
| Deuteranopia (no green cones) | #006FE1 | 0.047 |
| Tritanopia (no blue cones) | #00889D | 0.152 |
| Achromatopsia (no color) | #757575 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F6CE3
#4F6CE3
oklch(57.4% 0.183 269.5)
- #947400
#947400
oklch(57.4% 0.117 89.4)
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 #4F6CE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.018
- Neon Blue #4361EE ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.046
- Cerulean Blue #056EEE ΔE 0.047
- Warm Blue #4B57DB ΔE 0.052
- Clear Blue #247AFD ΔE 0.055
- Cornflower #6A79F7 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.059
Use #4F6CE3 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.