#337475
Closest named color: Deep Aqua (#08787F). oklch(51.7% 0.066 196.7), rgb(51, 116, 117).
Aa
White text reads best on this color (5.39:1).
About this color
#337475 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.066 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.023 away. White text reads best on it, at 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #337475 |
| RGB | rgb(51, 116, 117) |
| HSL | hsl(181, 39%, 33%) |
| OKLCH | oklch(51.7% 0.066 196.7) |
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 #337475 | 5.39:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #337475 | 3.89:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #337475 text on white | 5.39:1 | AA | Lc 76.7 | Fine for body text |
| #337475 text on black | 3.89:1 | AA large text | Lc -25.1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#AAC7C7
oklch(80.8% 0.031 196.6)
-
Step 400
400
#7BABAB
oklch(70.7% 0.051 196.1)
-
Step 500
500
#579697
oklch(63.1% 0.065 196.9)
-
Step 600
600
#398081
oklch(55.5% 0.071 196.6)
-
Step 700
700 (this color)
#337475
oklch(51.7% 0.066 196.7)
-
Step 800
800
#255859
oklch(42.6% 0.054 197.1)
-
Step 900
900
#244949
oklch(37.8% 0.042 195.5)
-
Step 950
950
#162B2B
oklch(27.2% 0.027 195.7)
#337475 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) | #6D6F75 | 0.069 |
| Deuteranopia (no green cones) | #626775 | 0.063 |
| Tritanopia (no blue cones) | #007874 | 0.024 |
| Achromatopsia (no color) | #6A6A6A | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337475
#337475
oklch(51.7% 0.066 196.7)
- #8A585B
#8A585B
oklch(51.6% 0.066 15.7)
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 #337475, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.023
- Deep Turquoise #017374 ΔE 0.024
- Bluegreen #017A79 ΔE 0.025
- Dark Aquamarine #017371 ΔE 0.026
- Teal #008080 ΔE 0.037
- Ocean #017B92 ΔE 0.046
- Dark Aqua #05696B ΔE 0.046
- Slate #516572 ΔE 0.051
Use #337475 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.