#4B6DD9
Closest named color: Royal Blue (#4169E1). oklch(56.7% 0.17 267.6), rgb(75, 109, 217).
Aa
White text reads best on this color (4.67:1).
About this color
#4B6DD9 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.170 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.020 away. White text reads best on it, at 4.67:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.48:1 |
| White text | 4.67:1 |
Values
| HEX | #4B6DD9 |
| RGB | rgb(75, 109, 217) |
| HSL | hsl(226, 65%, 57%) |
| OKLCH | oklch(56.7% 0.17 267.6) |
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 #4B6DD9 | 4.67:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #4B6DD9 | 4.48:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #4B6DD9 text on white | 4.67:1 | AA | Lc 72.2 | Content text, not long reading |
| #4B6DD9 text on black | 4.48:1 | AA large text | Lc -29.5 | 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
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ABC0F3
oklch(81% 0.076 267.3)
-
Step 400
400
#7F9DED
oklch(70.7% 0.122 267.6)
-
Step 500
500
#6083E7
oklch(63.2% 0.155 267.4)
-
Step 600
600 (this color)
#4B6DD9
oklch(56.7% 0.17 267.6)
-
Step 700
700
#3A57B9
oklch(49.1% 0.158 267.8)
-
Step 800
800
#304896
oklch(42.8% 0.131 267.7)
-
Step 900
900
#2A3D77
oklch(37.7% 0.102 267.7)
-
Step 950
950
#192446
oklch(27% 0.065 268.3)
#4B6DD9 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) | #307BDD | 0.039 |
| Deuteranopia (no green cones) | #006ED7 | 0.044 |
| Tritanopia (no blue cones) | #008699 | 0.140 |
| Achromatopsia (no color) | #747474 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B6DD9
#4B6DD9
oklch(56.7% 0.17 267.6)
- #937100
#937100
oklch(56.6% 0.116 87.6)
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 #4B6DD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.045
- Neon Blue #4361EE ΔE 0.046
- Cerulean Blue #056EEE ΔE 0.051
- Warm Blue #4B57DB ΔE 0.053
- Windows Blue #3778BF ΔE 0.056
- Slate Blue #6A5ACD ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.060
Use #4B6DD9 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.