#555697
Closest named color: Twilight (#4E518B). oklch(48.3% 0.103 281.1), rgb(85, 86, 151).
Aa
White text reads best on this color (6.63:1).
About this color
#555697 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.103 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.025 away. White text reads best on it, at 6.63:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #555697 |
| RGB | rgb(85, 86, 151) |
| HSL | hsl(239, 28%, 46%) |
| OKLCH | oklch(48.3% 0.103 281.1) |
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 #555697 | 6.63:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #555697 | 3.16:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #555697 text on white | 6.63:1 | AA | Lc 82.7 | Fine for body text |
| #555697 text on black | 3.16:1 | AA large text | Lc -19.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7EC
oklch(88.4% 0.029 281.5)
-
Step 300
300
#BABDE1
oklch(80.8% 0.051 281.4)
-
Step 400
400
#979BD2
oklch(70.7% 0.08 280.9)
-
Step 500
500
#7F82C6
oklch(63.2% 0.102 281.1)
-
Step 600
600
#696AB2
oklch(55.6% 0.111 281.6)
-
Step 700
700 (this color)
#555697
oklch(48.3% 0.103 281.1)
-
Step 800
800
#47487C
oklch(42.6% 0.085 281.3)
-
Step 900
900
#3C3D64
oklch(37.8% 0.066 281.6)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#555697 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) | #3E5F99 | 0.036 |
| Deuteranopia (no green cones) | #3A5A95 | 0.036 |
| Tritanopia (no blue cones) | #40636F | 0.089 |
| Achromatopsia (no color) | #5C5C5C | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555697
#555697
oklch(48.3% 0.103 281.1)
- #6B5F00
#6B5F00
oklch(48.2% 0.1 100.8)
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 #555697, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.025
- Dusky Blue #475F94 ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.037
- Dusk #4E5481 ΔE 0.038
- Denim #3B638C ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.057
- Dusty Grape #545775 ΔE 0.057
- Dusk Blue #26538D ΔE 0.062
Use #555697 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.