#4151B7
Closest named color: Blue With A Hint Of Purple (#533CC6). oklch(48.1% 0.161 272.2), rgb(65, 81, 183).
Aa
White text reads best on this color (6.80:1).
About this color
#4151B7 is a medium-dark, vivid blue. In OKLCH its lightness is 48%, its chroma 0.161 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blue With A Hint Of Purple (#533CC6), ΔE 0.055 away. White text reads best on it, at 6.80:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Blue With A Hint Of Purple (#533CC6) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #4151B7 |
| RGB | rgb(65, 81, 183) |
| HSL | hsl(232, 48%, 49%) |
| OKLCH | oklch(48.1% 0.161 272.2) |
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 #4151B7 | 6.80:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #4151B7 | 3.08:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #4151B7 text on white | 6.80:1 | AA | Lc 83.1 | Fine for body text |
| #4151B7 text on black | 3.08:1 | AA large text | Lc -18.8 | 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 700.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF4
oklch(80.9% 0.078 272.5)
-
Step 400
400
#869BEE
oklch(70.8% 0.124 272.1)
-
Step 500
500
#697FE9
oklch(63% 0.16 272.2)
-
Step 600
600
#5366D7
oklch(55.6% 0.173 272.3)
-
Step 700
700 (this color)
#4151B7
oklch(48.1% 0.161 272.2)
-
Step 800
800
#374597
oklch(42.6% 0.134 272.2)
-
Step 900
900
#2F3B78
oklch(37.6% 0.104 272.1)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#4151B7 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) | #0060BB | 0.051 |
| Deuteranopia (no green cones) | #0056B5 | 0.045 |
| Tritanopia (no blue cones) | #00697C | 0.134 |
| Achromatopsia (no color) | #5B5B5B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4151B7
#4151B7
oklch(48.1% 0.161 272.2)
- #725B00
#725B00
oklch(48.1% 0.098 91.6)
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 #4151B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue With A Hint Of Purple #533CC6 ΔE 0.055
- Iris #6258C4 ΔE 0.056
- Blue Blue #2242C7 ΔE 0.058
- Warm Blue #4B57DB ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.062
- Majorelle Blue #3F37C9 ΔE 0.063
- Blurple #5539CC ΔE 0.064
- Blueberry #464196 ΔE 0.064
Use #4151B7 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.