#237386
Closest named color: Deep Aqua (#08787F). oklch(51.7% 0.08 217.1), rgb(35, 115, 134).
Aa
White text reads best on this color (5.42:1).
About this color
#237386 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.080 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.024 away. White text reads best on it, at 5.42:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.86:1 |
| White text | 5.42:1 |
Values
| HEX | #237386 |
| RGB | rgb(35, 115, 134) |
| HSL | hsl(192, 59%, 33%) |
| OKLCH | oklch(51.7% 0.08 217.1) |
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 #237386 | 5.42:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #237386 | 3.86:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #237386 text on white | 5.42:1 | AA | Lc 76.8 | Fine for body text |
| #237386 text on black | 3.86:1 | AA large text | Lc -25.0 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A5C7D1
oklch(80.8% 0.039 217.5)
-
Step 400
400
#73ABBA
oklch(70.8% 0.062 216.4)
-
Step 500
500
#4B95A9
oklch(63% 0.079 217.8)
-
Step 600
600
#287F94
oklch(55.5% 0.086 217.4)
-
Step 700
700 (this color)
#237386
oklch(51.7% 0.08 217.1)
-
Step 800
800
#185867
oklch(42.8% 0.067 217)
-
Step 900
900
#1C4854
oklch(37.6% 0.052 218.6)
-
Step 950
950
#122A31
oklch(26.9% 0.033 219.1)
#237386 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) | #666F87 | 0.069 |
| Deuteranopia (no green cones) | #596586 | 0.064 |
| Tritanopia (no blue cones) | #007A79 | 0.036 |
| Achromatopsia (no color) | #6A6A6A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237386
#237386
oklch(51.7% 0.08 217.1)
- #905746
#905746
oklch(51.7% 0.081 37.4)
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 #237386, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.024
- Sea Blue #047495 ΔE 0.024
- Ocean #017B92 ΔE 0.026
- Deep Turquoise #017374 ΔE 0.034
- Bluegreen #017A79 ΔE 0.036
- Dark Aquamarine #017371 ΔE 0.038
- Ocean Blue #03719C ΔE 0.039
- Metallic Blue #4F738E ΔE 0.043
Use #237386 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.