#237C98
Closest named color: Ocean (#017B92). oklch(54.8% 0.091 223.7), rgb(35, 124, 152).
Aa
White text reads best on this color (4.76:1).
About this color
#237C98 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.091 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.016 away. White text reads best on it, at 4.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #237C98 |
| RGB | rgb(35, 124, 152) |
| HSL | hsl(194, 63%, 37%) |
| OKLCH | oklch(54.8% 0.091 223.7) |
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 #237C98 | 4.76:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #237C98 | 4.40:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #237C98 text on white | 4.76:1 | AA | Lc 72.7 | Content text, not long reading |
| #237C98 text on black | 4.40:1 | AA large text | Lc -29.0 | 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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A5C7D4
oklch(80.9% 0.041 223)
-
Step 400
400
#72AABF
oklch(70.7% 0.066 223.5)
-
Step 500
500
#4A95AF
oklch(63.2% 0.084 223.3)
-
Step 600
600 (this color)
#237C98
oklch(54.8% 0.091 223.7)
-
Step 700
700
#176B84
oklch(49.2% 0.085 223.3)
-
Step 800
800
#17576B
oklch(42.7% 0.07 223.3)
-
Step 900
900
#1B4857
oklch(37.7% 0.055 223.2)
-
Step 950
950
#112A33
oklch(26.9% 0.035 224)
#237C98 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) | #6C7999 | 0.071 |
| Deuteranopia (no green cones) | #5C6E98 | 0.062 |
| Tritanopia (no blue cones) | #008485 | 0.046 |
| Achromatopsia (no color) | #737373 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #237C98
#237C98
oklch(54.8% 0.091 223.7)
- #9D5E44
#9D5E44
oklch(54.7% 0.091 42.9)
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 #237C98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.016
- Cerulean #457B9D ΔE 0.027
- Sea Blue #047495 ΔE 0.028
- Teal Blue #01889F ΔE 0.034
- Dull Blue #49759C ΔE 0.036
- Stormy Blue #507B9C ΔE 0.038
- Ocean Blue #03719C ΔE 0.039
- Muted Blue #3B719F ΔE 0.039
Use #237C98 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.