#337F70
Closest named color: Teal (#008080). oklch(54.5% 0.079 178.1), rgb(51, 127, 112).
Aa
White text reads best on this color (4.76:1).
About this color
#337F70 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.079 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.029 away. White text reads best on it, at 4.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.41:1 |
| White text | 4.76:1 |
Values
| HEX | #337F70 |
| RGB | rgb(51, 127, 112) |
| HSL | hsl(168, 43%, 35%) |
| OKLCH | oklch(54.5% 0.079 178.1) |
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 #337F70 | 4.76:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #337F70 | 4.41:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #337F70 text on white | 4.76:1 | AA | Lc 72.8 | Content text, not long reading |
| #337F70 text on black | 4.41:1 | AA large text | Lc -28.9 | 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 600.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDED9
oklch(88.6% 0.02 177.4)
-
Step 300
300
#A9C9C0
oklch(81% 0.037 176.5)
-
Step 400
400
#7AADA1
oklch(70.8% 0.057 178.3)
-
Step 500
500
#559889
oklch(63.1% 0.073 177.7)
-
Step 600
600 (this color)
#337F70
oklch(54.5% 0.079 178.1)
-
Step 700
700
#286E61
oklch(49% 0.073 178.7)
-
Step 800
800
#235A4F
oklch(42.7% 0.061 178)
-
Step 900
900
#234A42
oklch(37.8% 0.047 178.6)
-
Step 950
950
#152B26
oklch(26.9% 0.03 177.6)
#337F70 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) | #7A786F | 0.082 |
| Deuteranopia (no green cones) | #6F6F71 | 0.080 |
| Tritanopia (no blue cones) | #00817A | 0.022 |
| Achromatopsia (no color) | #737373 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F70
#337F70
oklch(54.5% 0.079 178.1)
- #955C70
#955C70
oklch(54.4% 0.079 357.5)
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 #337F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.029
- Bluegreen #017A79 ΔE 0.032
- Deep Aqua #08787F ΔE 0.042
- Dark Cyan #008B8B ΔE 0.045
- Dark Aquamarine #017371 ΔE 0.048
- Deep Turquoise #017374 ΔE 0.049
- Dark Sage #598556 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.061
Use #337F70 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.