#4167CB
Closest named color: Royal Blue (#4169E1). oklch(54% 0.161 265.6), rgb(65, 103, 203).
Aa
White text reads best on this color (5.21:1).
About this color
#4167CB is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.161 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.034 away. White text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #4167CB |
| RGB | rgb(65, 103, 203) |
| HSL | hsl(223, 57%, 53%) |
| OKLCH | oklch(54% 0.161 265.6) |
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 #4167CB | 5.21:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #4167CB | 4.02:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #4167CB text on white | 5.21:1 | AA | Lc 75.5 | Fine for body text |
| #4167CB text on black | 4.02:1 | AA large text | Lc -26.2 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F5
oklch(88.4% 0.041 265.7)
-
Step 300
300
#AAC0F0
oklch(80.8% 0.072 265.6)
-
Step 400
400
#7E9EE9
oklch(70.6% 0.116 265.9)
-
Step 500
500
#5E84E3
oklch(63% 0.149 265.9)
-
Step 600
600 (this color)
#4167CB
oklch(54% 0.161 265.6)
-
Step 700
700
#375AB5
oklch(49.2% 0.15 265.4)
-
Step 800
800
#2E4A92
oklch(42.8% 0.123 265.5)
-
Step 900
900
#293E74
oklch(37.6% 0.096 266)
-
Step 950
950
#182544
oklch(27% 0.061 265.4)
#4167CB 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) | #2F73CF | 0.032 |
| Deuteranopia (no green cones) | #0067C9 | 0.037 |
| Tritanopia (no blue cones) | #007E8F | 0.131 |
| Achromatopsia (no color) | #6C6C6C | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4167CB
#4167CB
oklch(54% 0.161 265.6)
- #8B6900
#8B6900
oklch(54% 0.111 86.2)
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 #4167CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.034
- Mid Blue #276AB3 ΔE 0.046
- Warm Blue #4B57DB ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.050
- French Blue #436BAD ΔE 0.050
- Iris #6258C4 ΔE 0.052
- Windows Blue #3778BF ΔE 0.052
- Neon Blue #4361EE ΔE 0.056
Use #4167CB 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.