#33665C
Closest named color: Dark Green Blue (#1F6357). oklch(47.2% 0.058 179.4), rgb(51, 102, 92).
Aa
White text reads best on this color (6.57:1).
About this color
#33665C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.058 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.022 away. White text reads best on it, at 6.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #33665C |
| RGB | rgb(51, 102, 92) |
| HSL | hsl(168, 33%, 30%) |
| OKLCH | oklch(47.2% 0.058 179.4) |
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 #33665C | 6.57:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #33665C | 3.19:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #33665C text on white | 6.57:1 | AA | Lc 82.4 | Fine for body text |
| #33665C text on black | 3.19:1 | AA large text | Lc -19.5 | 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 700.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C1
oklch(80.9% 0.028 179.5)
-
Step 400
400
#83AAA1
oklch(70.7% 0.044 179.2)
-
Step 500
500
#62958A
oklch(63% 0.057 179.3)
-
Step 600
600
#487F74
oklch(55.5% 0.061 179.6)
-
Step 700
700 (this color)
#33665C
oklch(47.2% 0.058 179.4)
-
Step 800
800
#2F5850
oklch(42.8% 0.048 179.8)
-
Step 900
900
#2B4842
oklch(37.7% 0.037 179.7)
-
Step 950
950
#192A27
oklch(26.9% 0.023 182.2)
#33665C 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) | #62615C | 0.061 |
| Deuteranopia (no green cones) | #5A5B5D | 0.058 |
| Tritanopia (no blue cones) | #1D6763 | 0.018 |
| Achromatopsia (no color) | #5D5D5D | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33665C
#33665C
oklch(47.2% 0.058 179.4)
- #764E5A
#764E5A
oklch(47.2% 0.056 359.9)
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 #33665C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.022
- Dark Aqua #05696B ΔE 0.030
- Dark Aquamarine #017371 ΔE 0.045
- Deep Turquoise #017374 ΔE 0.047
- Petrol #005F6A ΔE 0.047
- Slate #516572 ΔE 0.054
- Pine #2B5D34 ΔE 0.062
- Bluegreen #017A79 ΔE 0.064
Use #33665C 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.