#55869B
Closest named color: Dusty Blue (#5A86AD). oklch(59.3% 0.062 227), rgb(85, 134, 155).
Aa
Black text reads best on this color (5.26:1).
About this color
#55869B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.062 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.029 away. Black text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #55869B |
| RGB | rgb(85, 134, 155) |
| HSL | hsl(198, 29%, 47%) |
| OKLCH | oklch(59.3% 0.062 227) |
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 #55869B | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #55869B | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #55869B text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #55869B text on black | 5.26:1 | AA | Lc -34.6 | Non-text elements, placeholder text |
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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC5CF
oklch(81% 0.028 226.9)
-
Step 400
400
#84A7B6
oklch(70.8% 0.044 225.9)
-
Step 500
500
#6491A4
oklch(63.1% 0.057 226.2)
-
Step 600
600 (this color)
#55869B
oklch(59.3% 0.062 227)
-
Step 700
700
#3B677A
oklch(49% 0.057 227.7)
-
Step 800
800
#315463
oklch(42.6% 0.048 227.3)
-
Step 900
900
#2C4651
oklch(37.8% 0.037 226.5)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#55869B 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) | #7B849C | 0.047 |
| Deuteranopia (no green cones) | #717C9B | 0.042 |
| Tritanopia (no blue cones) | #368C8D | 0.043 |
| Achromatopsia (no color) | #7F7F7F | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55869B
#55869B
oklch(59.3% 0.062 227)
- #9E735F
#9E735F
oklch(59.4% 0.062 46)
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 #55869B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.029
- Grey Blue #647D8E ΔE 0.030
- Off Blue #5684AE ΔE 0.032
- Stormy Blue #507B9C ΔE 0.034
- Slate Gray #708090 ΔE 0.035
- Steel #738595 ΔE 0.036
- Steel Grey #6F828A ΔE 0.037
- Cerulean #457B9D ΔE 0.040
Use #55869B 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.