#337077
Closest named color: Deep Turquoise (#017374). oklch(50.8% 0.064 205.4), rgb(51, 112, 119).
Aa
White text reads best on this color (5.63:1).
About this color
#337077 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.064 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.026 away. White text reads best on it, at 5.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.72:1 |
| White text | 5.63:1 |
Values
| HEX | #337077 |
| RGB | rgb(51, 112, 119) |
| HSL | hsl(186, 40%, 33%) |
| OKLCH | oklch(50.8% 0.064 205.4) |
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 #337077 | 5.63:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #337077 | 3.72:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #337077 text on white | 5.63:1 | AA | Lc 78.0 | Fine for body text |
| #337077 text on black | 3.72:1 | AA large text | Lc -23.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDDDE
oklch(88.6% 0.017 201.4)
-
Step 300
300
#ABC7CA
oklch(81% 0.03 204.5)
-
Step 400
400
#7CAAAF
oklch(70.7% 0.05 204.5)
-
Step 500
500
#59959C
oklch(63.2% 0.063 205.2)
-
Step 600
600
#3C7F87
oklch(55.6% 0.069 205.8)
-
Step 700
700 (this color)
#337077
oklch(50.8% 0.064 205.4)
-
Step 800
800
#27575D
oklch(42.6% 0.053 206.3)
-
Step 900
900
#25484C
oklch(37.7% 0.041 205.1)
-
Step 950
950
#162A2D
oklch(26.9% 0.026 207.9)
#337077 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) | #686C77 | 0.063 |
| Deuteranopia (no green cones) | #5D6477 | 0.057 |
| Tritanopia (no blue cones) | #007472 | 0.028 |
| Achromatopsia (no color) | #676767 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337077
#337077
oklch(50.8% 0.064 205.4)
- #865753
#865753
oklch(50.7% 0.063 24.9)
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 #337077, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.026
- Deep Aqua #08787F ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.028
- Bluegreen #017A79 ΔE 0.034
- Dark Aqua #05696B ΔE 0.040
- Slate #516572 ΔE 0.042
- Ocean #017B92 ΔE 0.047
- Sea Blue #047495 ΔE 0.048
Use #337077 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.