#355864
Closest named color: Petrol (#005F6A). oklch(43.9% 0.045 221.8), rgb(53, 88, 100).
Aa
White text reads best on this color (7.68:1).
About this color
#355864 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.045 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.035 away. White text reads best on it, at 7.68:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #355864 |
| RGB | rgb(53, 88, 100) |
| HSL | hsl(195, 31%, 30%) |
| OKLCH | oklch(43.9% 0.045 221.8) |
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 #355864 | 7.68:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #355864 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #355864 text on white | 7.68:1 | AAA | Lc 86.6 | Fine for body text |
| #355864 text on black | 2.73:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDBE0
oklch(88.4% 0.015 224.5)
-
Step 300
300
#AFC5CD
oklch(80.9% 0.026 221.6)
-
Step 400
400
#84A7B3
oklch(70.6% 0.042 220.8)
-
Step 500
500
#6591A1
oklch(63.1% 0.054 222.6)
-
Step 600
600
#4B7B8C
oklch(55.5% 0.058 222.6)
-
Step 700
700
#3C6877
oklch(49.2% 0.054 222)
-
Step 800
800 (this color)
#355864
oklch(43.9% 0.045 221.8)
-
Step 900
900
#2C464F
oklch(37.7% 0.035 221.7)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#355864 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) | #515665 | 0.038 |
| Deuteranopia (no green cones) | #4A5164 | 0.033 |
| Tritanopia (no blue cones) | #205C5C | 0.029 |
| Achromatopsia (no color) | #535353 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355864
#355864
oklch(43.9% 0.045 221.8)
- #684A3F
#684A3F
oklch(43.9% 0.045 41)
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 #355864, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.035
- YInMn Blue #415A77 ΔE 0.036
- Dark Slate Gray #2F4F4F ΔE 0.041
- Deep Teal #00555A ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.050
- Dusty Grape #545775 ΔE 0.053
- Dark Aqua #05696B ΔE 0.055
- Slate #516572 ΔE 0.059
Use #355864 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.