#4F61E1
Closest named color: Royal Blue (#4169E1). oklch(55.2% 0.194 272.3), rgb(79, 97, 225).
Aa
White text reads best on this color (5.08:1).
About this color
#4F61E1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.194 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.022 away. White text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #4F61E1 |
| RGB | rgb(79, 97, 225) |
| HSL | hsl(233, 71%, 60%) |
| OKLCH | oklch(55.2% 0.194 272.3) |
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 #4F61E1 | 5.08:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #4F61E1 | 4.12:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #4F61E1 text on white | 5.08:1 | AA | Lc 74.7 | Content text, not long reading |
| #4F61E1 text on black | 4.12:1 | AA large text | Lc -27.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8FA
oklch(88.5% 0.048 272.4)
-
Step 300
300
#ADBEFA
oklch(81% 0.087 272.1)
-
Step 400
400
#8399F7
oklch(70.6% 0.14 272.4)
-
Step 500
500
#667DF4
oklch(63.2% 0.179 272.1)
-
Step 600
600 (this color)
#4F61E1
oklch(55.2% 0.194 272.3)
-
Step 700
700
#4150C5
oklch(49% 0.181 272.3)
-
Step 800
800
#36439F
oklch(42.8% 0.149 272.4)
-
Step 900
900
#2E3A7E
oklch(37.8% 0.115 272.2)
-
Step 950
950
#1B224A
oklch(27% 0.074 273)
#4F61E1 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) | #0075E5 | 0.061 |
| Deuteranopia (no green cones) | #0068DE | 0.051 |
| Tritanopia (no blue cones) | #008098 | 0.160 |
| Achromatopsia (no color) | #6E6E6E | 0.195 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F61E1
#4F61E1
oklch(55.2% 0.194 272.3)
- #8A6F00
#8A6F00
oklch(55.2% 0.113 91.9)
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 #4F61E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.022
- Neon Blue #4361EE ΔE 0.024
- Warm Blue #4B57DB ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.039
- Slate Blue #6A5ACD ΔE 0.048
- Azul #1D5DEC ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.050
- Iris #6258C4 ΔE 0.053
Use #4F61E1 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.