#33656E
Closest named color: Dark Aqua (#05696B). oklch(47.6% 0.056 210.6), rgb(51, 101, 110).
Aa
White text reads best on this color (6.50:1).
About this color
#33656E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.056 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.028 away. White text reads best on it, at 6.50:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.22:1 |
| White text | 6.50:1 |
Values
| HEX | #33656E |
| RGB | rgb(51, 101, 110) |
| HSL | hsl(189, 37%, 32%) |
| OKLCH | oklch(47.6% 0.056 210.6) |
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 #33656E | 6.50:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #33656E | 3.22:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #33656E text on white | 6.50:1 | AA | Lc 82.1 | Fine for body text |
| #33656E text on black | 3.22:1 | AA large text | Lc -19.8 | 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
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CFDCDF
oklch(88.6% 0.015 213.1)
-
Step 300
300
#AEC6CA
oklch(81% 0.027 208.7)
-
Step 400
400
#82A8B0
oklch(70.6% 0.043 212)
-
Step 500
500
#61939C
oklch(63.1% 0.055 210)
-
Step 600
600
#467D87
oklch(55.6% 0.06 210.5)
-
Step 700
700 (this color)
#33656E
oklch(47.6% 0.056 210.6)
-
Step 800
800
#2F565D
oklch(42.7% 0.046 210.3)
-
Step 900
900
#2A474C
oklch(37.7% 0.036 209.6)
-
Step 950
950
#192A2D
oklch(27.1% 0.023 209.7)
#33656E 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) | #5D626F | 0.052 |
| Deuteranopia (no green cones) | #545B6E | 0.048 |
| Tritanopia (no blue cones) | #0C6968 | 0.030 |
| Achromatopsia (no color) | #5E5E5E | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33656E
#33656E
oklch(47.6% 0.056 210.6)
- #795149
#795149
oklch(47.7% 0.056 31.7)
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 #33656E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.028
- Slate #516572 ΔE 0.036
- Petrol #005F6A ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.046
- Denim #3B638C ΔE 0.053
Use #33656E 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.