#337769
Closest named color: Bluegreen (#017A79). oklch(52.1% 0.073 177.8), rgb(51, 119, 105).
Aa
White text reads best on this color (5.27:1).
About this color
#337769 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.073 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.028 away. White text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #337769 |
| RGB | rgb(51, 119, 105) |
| HSL | hsl(168, 40%, 33%) |
| OKLCH | oklch(52.1% 0.073 177.8) |
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 #337769 | 5.27:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #337769 | 3.98:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #337769 text on white | 5.27:1 | AA | Lc 76.0 | Fine for body text |
| #337769 text on black | 3.98:1 | AA large text | Lc -25.7 | 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
#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
#A9C8C0
oklch(80.8% 0.035 178)
-
Step 400
400
#7AADA0
oklch(70.8% 0.057 177)
-
Step 500
500
#569889
oklch(63.1% 0.072 177.5)
-
Step 600
600
#388273
oklch(55.5% 0.078 178)
-
Step 700
700 (this color)
#337769
oklch(52.1% 0.073 177.8)
-
Step 800
800
#245A4F
oklch(42.8% 0.06 177.8)
-
Step 900
900
#234A41
oklch(37.7% 0.047 176.7)
-
Step 950
950
#152B26
oklch(26.9% 0.03 177.6)
#337769 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) | #737068 | 0.077 |
| Deuteranopia (no green cones) | #68696A | 0.072 |
| Tritanopia (no blue cones) | #077973 | 0.022 |
| Achromatopsia (no color) | #6C6C6C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337769
#337769
oklch(52.1% 0.073 177.8)
- #8B5769
#8B5769
oklch(52% 0.073 357.6)
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 #337769, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.028
- Dark Aquamarine #017371 ΔE 0.031
- Deep Turquoise #017374 ΔE 0.033
- Deep Aqua #08787F ΔE 0.037
- Teal #008080 ΔE 0.038
- Dark Aqua #05696B ΔE 0.055
- Ocean #017B92 ΔE 0.063
- Dark Cyan #008B8B ΔE 0.066
Use #337769 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.