#5951B3
Closest named color: Iris (#6258C4). oklch(49.5% 0.15 283.1), rgb(89, 81, 179).
Aa
White text reads best on this color (6.45:1).
About this color
#5951B3 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.150 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.034 away. White text reads best on it, at 6.45:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #5951B3 |
| RGB | rgb(89, 81, 179) |
| HSL | hsl(245, 39%, 51%) |
| OKLCH | oklch(49.5% 0.15 283.1) |
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 #5951B3 | 6.45:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #5951B3 | 3.25:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #5951B3 text on white | 6.45:1 | AA | Lc 81.8 | Fine for body text |
| #5951B3 text on black | 3.25:1 | AA large text | Lc -20.1 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#B9BBEF
oklch(80.8% 0.073 282.9)
-
Step 400
400
#9797E7
oklch(70.8% 0.116 283)
-
Step 500
500
#7F7BE0
oklch(63.2% 0.149 283.1)
-
Step 600
600
#6961CD
oklch(55.5% 0.162 283.1)
-
Step 700
700 (this color)
#5951B3
oklch(49.5% 0.15 283.1)
-
Step 800
800
#484290
oklch(42.8% 0.125 283.3)
-
Step 900
900
#3C3973
oklch(37.9% 0.097 283.1)
-
Step 950
950
#232243
oklch(27.1% 0.06 283)
#5951B3 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) | #1962B6 | 0.072 |
| Deuteranopia (no green cones) | #0F5BB1 | 0.073 |
| Tritanopia (no blue cones) | #37677A | 0.128 |
| Achromatopsia (no color) | #5E5E5E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5951B3
#5951B3
oklch(49.5% 0.15 283.1)
- #6D6400
#6D6400
oklch(49.6% 0.104 103.4)
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 #5951B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.034
- Bluey Purple #6241C7 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.053
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.060
- Warm Blue #4B57DB ΔE 0.065
- Blurple #5539CC ΔE 0.066
Use #5951B3 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.