#378173
Closest named color: Teal (#008080). oklch(55.2% 0.077 179), rgb(55, 129, 115).
Aa
White text reads best on this color (4.61:1).
About this color
#378173 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.077 and its hue 179°. 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 4.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #378173 |
| RGB | rgb(55, 129, 115) |
| HSL | hsl(169, 40%, 36%) |
| OKLCH | oklch(55.2% 0.077 179) |
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 #378173 | 4.61:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #378173 | 4.55:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #378173 text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #378173 text on black | 4.55:1 | AA | Lc -29.8 | 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 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
#AAC8C1
oklch(80.9% 0.034 179.7)
-
Step 400
400
#7BACA1
oklch(70.6% 0.055 179.2)
-
Step 500
500
#56988A
oklch(63.1% 0.071 178.6)
-
Step 600
600 (this color)
#378173
oklch(55.2% 0.077 179)
-
Step 700
700
#2A6E61
oklch(49.1% 0.072 178.5)
-
Step 800
800
#245A50
oklch(42.8% 0.06 179.3)
-
Step 900
900
#234A42
oklch(37.8% 0.047 178.6)
-
Step 950
950
#152B27
oklch(26.9% 0.029 181)
#378173 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) | #7C7A72 | 0.081 |
| Deuteranopia (no green cones) | #717174 | 0.079 |
| Tritanopia (no blue cones) | #02837D | 0.024 |
| Achromatopsia (no color) | #757575 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378173
#378173
oklch(55.2% 0.077 179)
- #975F71
#975F71
oklch(55.2% 0.076 359.1)
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 #378173, 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 0.037
- Dark Cyan #008B8B ΔE 0.040
- Deep Aqua #08787F ΔE 0.046
- Dusty Teal #4C9085 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.054
- Dark Sage #598556 ΔE 0.055
- Deep Turquoise #017374 ΔE 0.055
Use #378173 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.