#337F84
Closest named color: Teal (#008080). oklch(55.2% 0.074 201.2), rgb(51, 127, 132).
Aa
White text reads best on this color (4.65:1).
About this color
#337F84 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.074 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.022 away. White text reads best on it, at 4.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.50:1 |
| White text | 4.65:1 |
Values
| HEX | #337F84 |
| RGB | rgb(51, 127, 132) |
| HSL | hsl(184, 44%, 36%) |
| OKLCH | oklch(55.2% 0.074 201.2) |
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 #337F84 | 4.65:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #337F84 | 4.50:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #337F84 text on white | 4.65:1 | AA | Lc 72.1 | Content text, not long reading |
| #337F84 text on black | 4.50:1 | AA | Lc -29.6 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDE
oklch(88.5% 0.018 201.1)
-
Step 300
300
#A8C7C9
oklch(80.7% 0.033 201.3)
-
Step 400
400
#79ABAE
oklch(70.7% 0.053 200.7)
-
Step 500
500
#53969B
oklch(63.1% 0.069 201.8)
-
Step 600
600 (this color)
#337F84
oklch(55.2% 0.074 201.2)
-
Step 700
700
#266C71
oklch(49% 0.069 201.8)
-
Step 800
800
#22585C
oklch(42.6% 0.057 202)
-
Step 900
900
#21494B
oklch(37.7% 0.045 199.8)
-
Step 950
950
#152B2C
oklch(27.1% 0.028 199.4)
#337F84 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) | #767A84 | 0.075 |
| Deuteranopia (no green cones) | #697084 | 0.070 |
| Tritanopia (no blue cones) | #008480 | 0.026 |
| Achromatopsia (no color) | #747474 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337F84
#337F84
oklch(55.2% 0.074 201.2)
- #99605F
#99605F
oklch(55.1% 0.075 20.8)
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 #337F84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.022
- Deep Aqua #08787F ΔE 0.032
- Bluegreen #017A79 ΔE 0.033
- Ocean #017B92 ΔE 0.035
- Dark Cyan #008B8B ΔE 0.036
- Teal Blue #01889F ΔE 0.043
- Cerulean #457B9D ΔE 0.049
- Metallic Blue #4F738E ΔE 0.050
Use #337F84 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.