#4661E1
Closest named color: Royal Blue (#4169E1). oklch(54.7% 0.196 269.7), rgb(70, 97, 225).
Aa
White text reads best on this color (5.17:1).
About this color
#4661E1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.196 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.019 away. White text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #4661E1 |
| RGB | rgb(70, 97, 225) |
| HSL | hsl(230, 72%, 58%) |
| OKLCH | oklch(54.7% 0.196 269.7) |
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 #4661E1 | 5.17:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #4661E1 | 4.05:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #4661E1 text on white | 5.17:1 | AA | Lc 75.2 | Fine for body text |
| #4661E1 text on black | 4.05:1 | AA large text | Lc -26.6 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3EAFC
oklch(93.7% 0.025 268.8)
-
Step 200
200
#CCD8FB
oklch(88.4% 0.05 270.4)
-
Step 300
300
#AABEFB
oklch(80.8% 0.089 270.3)
-
Step 400
400
#7E9BF9
oklch(70.8% 0.142 269.6)
-
Step 500
500
#5F7EF5
oklch(63% 0.181 269.6)
-
Step 600
600 (this color)
#4661E1
oklch(54.7% 0.196 269.7)
-
Step 700
700
#3A52C6
oklch(49.1% 0.182 269.5)
-
Step 800
800
#3044A0
oklch(42.7% 0.151 269.6)
-
Step 900
900
#2A3A7F
oklch(37.6% 0.118 270)
-
Step 950
950
#18234A
oklch(27% 0.074 269.2)
#4661E1 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) | #0074E5 | 0.053 |
| Deuteranopia (no green cones) | #0066DE | 0.041 |
| Tritanopia (no blue cones) | #008098 | 0.158 |
| Achromatopsia (no color) | #6D6D6D | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4661E1
#4661E1
oklch(54.7% 0.196 269.7)
- #8A6D00
#8A6D00
oklch(54.8% 0.112 90.2)
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 #4661E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.019
- Neon Blue #4361EE ΔE 0.020
- Warm Blue #4B57DB ΔE 0.024
- Azul #1D5DEC ΔE 0.040
- Cerulean Blue #056EEE ΔE 0.046
- Dark Periwinkle #665FD1 ΔE 0.048
- Bright Blue #0165FC ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.057
Use #4661E1 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.