#335663
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.2% 0.046 223.7), rgb(51, 86, 99).
Aa
White text reads best on this color (7.91:1).
About this color
#335663 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.046 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.036 away. White text reads best on it, at 7.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.65:1 |
| White text | 7.91:1 |
Values
| HEX | #335663 |
| RGB | rgb(51, 86, 99) |
| HSL | hsl(196, 32%, 29%) |
| OKLCH | oklch(43.2% 0.046 223.7) |
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 #335663 | 7.91:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #335663 | 2.65:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #335663 text on white | 7.91:1 | AAA | Lc 87.4 | Fine for body text |
| #335663 text on black | 2.65:1 | Fails | Lc -14.7 | Not readable |
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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
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
#84A7B4
oklch(70.7% 0.043 222.5)
-
Step 500
500
#6591A2
oklch(63.1% 0.054 224)
-
Step 600
600
#4B7B8D
oklch(55.6% 0.059 223.9)
-
Step 700
700
#3C6878
oklch(49.2% 0.055 223.4)
-
Step 800
800 (this color)
#335663
oklch(43.2% 0.046 223.7)
-
Step 900
900
#2C4650
oklch(37.7% 0.036 224.2)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#335663 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) | #4F5464 | 0.038 |
| Deuteranopia (no green cones) | #474F63 | 0.032 |
| Tritanopia (no blue cones) | #1D5A5A | 0.030 |
| Achromatopsia (no color) | #515151 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #335663
#335663
oklch(43.2% 0.046 223.7)
- #66483C
#66483C
oklch(43.1% 0.046 42.7)
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 #335663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.036
- Petrol #005F6A ΔE 0.037
- YInMn Blue #415A77 ΔE 0.039
- Deep Teal #00555A ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
- Dusty Grape #545775 ΔE 0.056
- Charcoal #264653 ΔE 0.057
Use #335663 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.