#4B68DD
Closest named color: Royal Blue (#4169E1). oklch(56% 0.181 269.3), rgb(75, 104, 221).
Aa
White text reads best on this color (4.85:1).
About this color
#4B68DD is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.181 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.012 away. White text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #4B68DD |
| RGB | rgb(75, 104, 221) |
| HSL | hsl(228, 68%, 58%) |
| OKLCH | oklch(56% 0.181 269.3) |
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 #4B68DD | 4.85:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #4B68DD | 4.32:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #4B68DD text on white | 4.85:1 | AA | Lc 73.3 | Content text, not long reading |
| #4B68DD text on black | 4.32:1 | AA large text | Lc -28.4 | 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
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD9F8
oklch(88.6% 0.045 268.7)
-
Step 300
300
#ABBFF6
oklch(80.9% 0.081 269)
-
Step 400
400
#809CF2
oklch(70.8% 0.13 269.2)
-
Step 500
500
#6180ED
oklch(63% 0.167 269.2)
-
Step 600
600 (this color)
#4B68DD
oklch(56% 0.181 269.3)
-
Step 700
700
#3C55BF
oklch(49.2% 0.168 269.3)
-
Step 800
800
#31469A
oklch(42.7% 0.139 269.2)
-
Step 900
900
#2B3C7B
oklch(37.8% 0.109 269.3)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#4B68DD 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) | #1778E1 | 0.048 |
| Deuteranopia (no green cones) | #006BDB | 0.045 |
| Tritanopia (no blue cones) | #008498 | 0.151 |
| Achromatopsia (no color) | #717171 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B68DD
#4B68DD
oklch(56% 0.181 269.3)
- #8F7000
#8F7000
oklch(56% 0.114 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 #4B68DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.012
- Neon Blue #4361EE ΔE 0.033
- Warm Blue #4B57DB ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.041
- Cerulean Blue #056EEE ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.053
- Light Indigo #6D5ACF ΔE 0.055
- Azul #1D5DEC ΔE 0.055
Use #4B68DD 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.