#237D65
Closest named color: Bluegreen (#017A79). oklch(53.1% 0.092 171.1), rgb(35, 125, 101).
Aa
White text reads best on this color (5.00:1).
About this color
#237D65 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.092 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.036 away. White text reads best on it, at 5.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #237D65 |
| RGB | rgb(35, 125, 101) |
| HSL | hsl(164, 56%, 31%) |
| OKLCH | oklch(53.1% 0.092 171.1) |
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 #237D65 | 5.00:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #237D65 | 4.19:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #237D65 text on white | 5.00:1 | AA | Lc 74.3 | Content text, not long reading |
| #237D65 text on black | 4.19:1 | AA large text | Lc -27.4 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A7CABD
oklch(81% 0.042 170.7)
-
Step 400
400
#76AE9B
oklch(70.6% 0.065 171.1)
-
Step 500
500
#4E9A83
oklch(63.1% 0.084 171.5)
-
Step 600
600 (this color)
#237D65
oklch(53.1% 0.092 171.1)
-
Step 700
700
#1E705A
oklch(49.1% 0.085 170.9)
-
Step 800
800
#1C5B4A
oklch(42.6% 0.07 171.6)
-
Step 900
900
#1E4B3E
oklch(37.7% 0.055 171.7)
-
Step 950
950
#132C24
oklch(27% 0.035 170.7)
#237D65 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) | #797464 | 0.094 |
| Deuteranopia (no green cones) | #6D6C67 | 0.090 |
| Tritanopia (no blue cones) | #007E76 | 0.026 |
| Achromatopsia (no color) | #6F6F6F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237D65
#237D65
oklch(53.1% 0.092 171.1)
- #945572
#945572
oklch(53.1% 0.091 351.6)
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 #237D65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.036
- Teal #008080 ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.047
- Deep Aqua #08787F ΔE 0.049
- Sea Green #2E8B57 ΔE 0.055
- Jungle Green #048243 ΔE 0.058
- Dark Sage #598556 ΔE 0.060
Use #237D65 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.