#23758B
Closest named color: Ocean (#017B92). oklch(52.4% 0.083 219.8), rgb(35, 117, 139).
Aa
White text reads best on this color (5.26:1).
About this color
#23758B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.083 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.019 away. White text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #23758B |
| RGB | rgb(35, 117, 139) |
| HSL | hsl(193, 60%, 34%) |
| OKLCH | oklch(52.4% 0.083 219.8) |
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 #23758B | 5.26:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #23758B | 3.98:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #23758B text on white | 5.26:1 | AA | Lc 75.8 | Fine for body text |
| #23758B text on black | 3.98:1 | AA large text | Lc -25.9 | 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 600.
-
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
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A7C7D1
oklch(80.9% 0.037 218.7)
-
Step 400
400
#76AABA
oklch(70.7% 0.06 219)
-
Step 500
500
#4F94A9
oklch(63% 0.076 220)
-
Step 600
600 (this color)
#23758B
oklch(52.4% 0.083 219.8)
-
Step 700
700
#206B7F
oklch(49.2% 0.077 219.5)
-
Step 800
800
#1D5767
oklch(42.7% 0.064 219.6)
-
Step 900
900
#1F4854
oklch(37.8% 0.05 219.7)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#23758B 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) | #67728C | 0.069 |
| Deuteranopia (no green cones) | #59678B | 0.062 |
| Tritanopia (no blue cones) | #007C7C | 0.039 |
| Achromatopsia (no color) | #6C6C6C | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23758B
#23758B
oklch(52.4% 0.083 219.8)
- #935945
#935945
oklch(52.5% 0.083 39.7)
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 #23758B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.019
- Sea Blue #047495 ΔE 0.020
- Deep Aqua #08787F ΔE 0.027
- Ocean Blue #03719C ΔE 0.034
- Metallic Blue #4F738E ΔE 0.039
- Bluegreen #017A79 ΔE 0.039
- Deep Turquoise #017374 ΔE 0.041
- Muted Blue #3B719F ΔE 0.042
Use #23758B 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.