#31726D
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.067 188.5), rgb(49, 114, 109).
Aa
White text reads best on this color (5.58:1).
About this color
#31726D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.067 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.021 away. White text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.75:1 |
| White text | 5.58:1 |
Values
| HEX | #31726D |
| RGB | rgb(49, 114, 109) |
| HSL | hsl(175, 40%, 32%) |
| OKLCH | oklch(50.9% 0.067 188.5) |
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 #31726D | 5.58:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #31726D | 3.75:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #31726D text on white | 5.58:1 | AA | Lc 77.7 | Fine for body text |
| #31726D text on black | 3.75:1 | AA large text | Lc -24.0 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#AAC8C4
oklch(80.9% 0.033 186.7)
-
Step 400
400
#7BABA7
oklch(70.6% 0.051 189.6)
-
Step 500
500
#579791
oklch(63.2% 0.067 187.9)
-
Step 600
600
#3A817B
oklch(55.6% 0.072 187.9)
-
Step 700
700 (this color)
#31726D
oklch(50.9% 0.067 188.5)
-
Step 800
800
#265955
oklch(42.8% 0.055 188.4)
-
Step 900
900
#244946
oklch(37.7% 0.043 188.7)
-
Step 950
950
#162B29
oklch(27.1% 0.027 187.9)
#31726D 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) | #6C6C6D | 0.071 |
| Deuteranopia (no green cones) | #62656E | 0.066 |
| Tritanopia (no blue cones) | #007570 | 0.021 |
| Achromatopsia (no color) | #686868 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31726D
#31726D
oklch(50.9% 0.067 188.5)
- #87555E
#87555E
oklch(50.8% 0.067 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 #31726D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.021
- Deep Turquoise #017374 ΔE 0.022
- Bluegreen #017A79 ΔE 0.029
- Deep Aqua #08787F ΔE 0.031
- Dark Aqua #05696B ΔE 0.039
- Teal #008080 ΔE 0.044
- Slate #516572 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.056
Use #31726D 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.