#33717B
Closest named color: Deep Aqua (#08787F). oklch(51.2% 0.065 209.4), rgb(51, 113, 123).
Aa
White text reads best on this color (5.54:1).
About this color
#33717B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.065 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.026 away. White text reads best on it, at 5.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.78:1 |
| White text | 5.54:1 |
Values
| HEX | #33717B |
| RGB | rgb(51, 113, 123) |
| HSL | hsl(188, 41%, 34%) |
| OKLCH | oklch(51.2% 0.065 209.4) |
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 #33717B | 5.54:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #33717B | 3.78:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #33717B text on white | 5.54:1 | AA | Lc 77.5 | Fine for body text |
| #33717B text on black | 3.78:1 | AA large text | Lc -24.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDDDF
oklch(88.6% 0.017 205.8)
-
Step 300
300
#AAC7CC
oklch(81% 0.032 209.2)
-
Step 400
400
#7CAAB2
oklch(70.8% 0.05 209.4)
-
Step 500
500
#58959F
oklch(63.2% 0.065 209)
-
Step 600
600
#3B7F8A
oklch(55.7% 0.07 209.4)
-
Step 700
700 (this color)
#33717B
oklch(51.2% 0.065 209.4)
-
Step 800
800
#26575F
oklch(42.6% 0.054 209.5)
-
Step 900
900
#24484E
oklch(37.7% 0.043 209.4)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#33717B 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) | #686D7C | 0.062 |
| Deuteranopia (no green cones) | #5D657B | 0.057 |
| Tritanopia (no blue cones) | #007674 | 0.031 |
| Achromatopsia (no color) | #686868 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33717B
#33717B
oklch(51.2% 0.065 209.4)
- #885851
#885851
oklch(51.1% 0.065 28.6)
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 #33717B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.026
- Deep Turquoise #017374 ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.032
- Bluegreen #017A79 ΔE 0.034
- Ocean #017B92 ΔE 0.041
- Sea Blue #047495 ΔE 0.043
- Slate #516572 ΔE 0.043
- Metallic Blue #4F738E ΔE 0.044
Use #33717B 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.