#4668C7
Closest named color: Royal Blue (#4169E1). oklch(54.2% 0.153 266.5), rgb(70, 104, 199).
Aa
White text reads best on this color (5.16:1).
About this color
#4668C7 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.153 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.040 away. White text reads best on it, at 5.16:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #4668C7 |
| RGB | rgb(70, 104, 199) |
| HSL | hsl(224, 54%, 53%) |
| OKLCH | oklch(54.2% 0.153 266.5) |
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 #4668C7 | 5.16:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #4668C7 | 4.06:1 | AA large text | Lc 28.8 | Dividers and decoration only |
| #4668C7 text on white | 5.16:1 | AA | Lc 75.3 | Fine for body text |
| #4668C7 text on black | 4.06:1 | AA large text | Lc -26.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#ACC0EE
oklch(80.9% 0.069 266.5)
-
Step 400
400
#819EE6
oklch(70.6% 0.111 266.8)
-
Step 500
500
#6285DE
oklch(63.2% 0.14 266.3)
-
Step 600
600 (this color)
#4668C7
oklch(54.2% 0.153 266.5)
-
Step 700
700
#3B5AB0
oklch(49.1% 0.142 266.4)
-
Step 800
800
#314A8F
oklch(42.7% 0.118 266.5)
-
Step 900
900
#2B3E72
oklch(37.6% 0.092 266.9)
-
Step 950
950
#192543
oklch(27% 0.058 266.1)
#4668C7 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) | #3773CB | 0.030 |
| Deuteranopia (no green cones) | #1C68C5 | 0.034 |
| Tritanopia (no blue cones) | #007E8E | 0.127 |
| Achromatopsia (no color) | #6D6D6D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4668C7
#4668C7
oklch(54.2% 0.153 266.5)
- #8B6A00
#8B6A00
oklch(54.2% 0.111 87)
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 #4668C7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.040
- French Blue #436BAD ΔE 0.043
- Mid Blue #276AB3 ΔE 0.044
- Windows Blue #3778BF ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.048
- Iris #6258C4 ΔE 0.050
- Warm Blue #4B57DB ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.057
Use #4668C7 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.