#237274
Closest named color: Deep Turquoise (#017374). oklch(50.6% 0.074 197.5), rgb(35, 114, 116).
Aa
White text reads best on this color (5.62:1).
About this color
#237274 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.074 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.012 away. White text reads best on it, at 5.62:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #237274 |
| RGB | rgb(35, 114, 116) |
| HSL | hsl(181, 54%, 30%) |
| OKLCH | oklch(50.6% 0.074 197.5) |
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 #237274 | 5.62:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #237274 | 3.73:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #237274 text on white | 5.62:1 | AA | Lc 77.9 | Fine for body text |
| #237274 text on black | 3.73:1 | AA large text | Lc -23.9 | 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
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8C9
oklch(80.9% 0.035 198.7)
-
Step 400
400
#75ACAD
oklch(70.7% 0.058 197.4)
-
Step 500
500
#4E9799
oklch(63% 0.073 197.8)
-
Step 600
600
#2C8284
oklch(55.7% 0.08 197.3)
-
Step 700
700 (this color)
#237274
oklch(50.6% 0.074 197.5)
-
Step 800
800
#1B595B
oklch(42.6% 0.062 198.2)
-
Step 900
900
#1E494B
oklch(37.6% 0.047 199.4)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#237274 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) | #6A6D74 | 0.077 |
| Deuteranopia (no green cones) | #5E6474 | 0.071 |
| Tritanopia (no blue cones) | #007672 | 0.017 |
| Achromatopsia (no color) | #676767 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237274
#237274
oklch(50.6% 0.074 197.5)
- #8B5355
#8B5355
oklch(50.7% 0.075 17.7)
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 #237274, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.012
- Dark Aquamarine #017371 ΔE 0.014
- Deep Aqua #08787F ΔE 0.021
- Bluegreen #017A79 ΔE 0.024
- Dark Aqua #05696B ΔE 0.034
- Teal #008080 ΔE 0.041
- Ocean #017B92 ΔE 0.047
- Sea Blue #047495 ΔE 0.052
Use #237274 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.