#4B6CEF
Closest named color: Royal Blue (#4169E1). oklch(58.1% 0.2 268.7), rgb(75, 108, 239).
Aa
Black text reads best on this color (4.69:1).
About this color
#4B6CEF is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.200 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.025 away. Black text reads best on it, at 4.69:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.69:1 |
| White text | 4.47:1 |
Values
| HEX | #4B6CEF |
| RGB | rgb(75, 108, 239) |
| HSL | hsl(228, 84%, 62%) |
| OKLCH | oklch(58.1% 0.2 268.7) |
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 #4B6CEF | 4.47:1 | AA large text | Lc -76.1 | Fine for body text |
| Black text on #4B6CEF | 4.69:1 | AA | Lc 33.5 | Non-text elements, placeholder text |
| #4B6CEF text on white | 4.47:1 | AA large text | Lc 70.6 | Content text, not long reading |
| #4B6CEF text on black | 4.69:1 | AA | Lc -31.1 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A8BFFC
oklch(80.9% 0.09 268.4)
-
Step 400
400
#7B9BFA
oklch(70.7% 0.144 268.5)
-
Step 500
500
#5C7EF7
oklch(63% 0.184 268.8)
-
Step 600
600 (this color)
#4B6CEF
oklch(58.1% 0.2 268.7)
-
Step 700
700
#3752C8
oklch(49.1% 0.186 268.7)
-
Step 800
800
#2D44A2
oklch(42.7% 0.154 268.6)
-
Step 900
900
#283A80
oklch(37.6% 0.12 269.1)
-
Step 950
950
#17234B
oklch(27% 0.076 268.4)
#4B6CEF 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) | #007FF4 | 0.054 |
| Deuteranopia (no green cones) | #0070EC | 0.042 |
| Tritanopia (no blue cones) | #008CA3 | 0.163 |
| Achromatopsia (no color) | #777777 | 0.201 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6CEF
#4B6CEF
oklch(58.1% 0.2 268.7)
- #977600
#977600
oklch(58.2% 0.119 89.1)
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 #4B6CEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.025
- Neon Blue #4361EE ΔE 0.029
- Cerulean Blue #056EEE ΔE 0.041
- Clear Blue #247AFD ΔE 0.043
- Bright Blue #0165FC ΔE 0.053
- Cornflower #6A79F7 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.057
- Azul #1D5DEC ΔE 0.057
Use #4B6CEF 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.