#33606D
Closest named color: Petrol (#005F6A). oklch(46.2% 0.054 218.7), rgb(51, 96, 109).
Aa
White text reads best on this color (6.91:1).
About this color
#33606D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.054 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.031 away. White text reads best on it, at 6.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #33606D |
| RGB | rgb(51, 96, 109) |
| HSL | hsl(193, 36%, 31%) |
| OKLCH | oklch(46.2% 0.054 218.7) |
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 #33606D | 6.91:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #33606D | 3.03:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #33606D text on white | 6.91:1 | AA | Lc 83.8 | Fine for body text |
| #33606D text on black | 3.03:1 | AA large text | Lc -18.1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDCE0
oklch(88.6% 0.015 218.1)
-
Step 300
300
#AFC5CC
oklch(80.9% 0.026 218.9)
-
Step 400
400
#84A7B2
oklch(70.6% 0.041 219)
-
Step 500
500
#64929F
oklch(63.2% 0.053 217.3)
-
Step 600
600
#4A7C8A
oklch(55.6% 0.058 217.7)
-
Step 700
700 (this color)
#33606D
oklch(46.2% 0.054 218.7)
-
Step 800
800
#31555F
oklch(42.7% 0.045 217.5)
-
Step 900
900
#2C464E
oklch(37.7% 0.034 219.2)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#33606D 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) | #585E6E | 0.047 |
| Deuteranopia (no green cones) | #4F576D | 0.042 |
| Tritanopia (no blue cones) | #106564 | 0.034 |
| Achromatopsia (no color) | #5A5A5A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33606D
#33606D
oklch(46.2% 0.054 218.7)
- #734E42
#734E42
oklch(46.1% 0.054 38.7)
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 #33606D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.031
- YInMn Blue #415A77 ΔE 0.032
- Dark Aqua #05696B ΔE 0.037
- Slate #516572 ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.046
- Denim #3B638C ΔE 0.052
- Dusty Grape #545775 ΔE 0.052
- Light Navy Blue #2E5A88 ΔE 0.053
Use #33606D 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.