#33606B
Closest named color: Petrol (#005F6A). oklch(46.1% 0.053 215.4), rgb(51, 96, 107).
Aa
White text reads best on this color (6.93:1).
About this color
#33606B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.053 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.030 away. White text reads best on it, at 6.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.02:1 |
| White text | 6.93:1 |
Values
| HEX | #33606B |
| RGB | rgb(51, 96, 107) |
| HSL | hsl(192, 35%, 31%) |
| OKLCH | oklch(46.1% 0.053 215.4) |
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 #33606B | 6.93:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #33606B | 3.02:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #33606B text on white | 6.93:1 | AA | Lc 83.9 | Fine for body text |
| #33606B text on black | 3.02:1 | 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
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AFC5CB
oklch(80.9% 0.025 215.9)
-
Step 400
400
#84A7B1
oklch(70.6% 0.041 217.1)
-
Step 500
500
#65929D
oklch(63.1% 0.051 214.6)
-
Step 600
600
#4B7C88
oklch(55.6% 0.056 215.1)
-
Step 700
700 (this color)
#33606B
oklch(46.1% 0.053 215.4)
-
Step 800
800
#32555E
oklch(42.7% 0.043 216)
-
Step 900
900
#2C464D
oklch(37.6% 0.034 216.5)
-
Step 950
950
#1A292D
oklch(26.9% 0.022 216.2)
#33606B 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) | #585D6C | 0.047 |
| Deuteranopia (no green cones) | #50576B | 0.043 |
| Tritanopia (no blue cones) | #136463 | 0.031 |
| Achromatopsia (no color) | #5A5A5A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33606B
#33606B
oklch(46.1% 0.053 215.4)
- #734E44
#734E44
oklch(46.2% 0.053 35.7)
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 #33606B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.030
- YInMn Blue #415A77 ΔE 0.035
- Dark Aqua #05696B ΔE 0.036
- Slate #516572 ΔE 0.042
- Dark Green Blue #1F6357 ΔE 0.043
- Dusty Grape #545775 ΔE 0.054
- Denim #3B638C ΔE 0.055
- Light Navy Blue #2E5A88 ΔE 0.057
Use #33606B 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.