#23586C
Closest named color: Petrol (#005F6A). oklch(43.4% 0.065 226.1), rgb(35, 88, 108).
Aa
White text reads best on this color (7.82:1).
About this color
#23586C is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.065 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.027 away. White text reads best on it, at 7.82:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #23586C |
| RGB | rgb(35, 88, 108) |
| HSL | hsl(196, 51%, 28%) |
| OKLCH | oklch(43.4% 0.065 226.1) |
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 #23586C | 7.82:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #23586C | 2.68:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #23586C text on white | 7.82:1 | AAA | Lc 87.0 | Fine for body text |
| #23586C text on black | 2.68:1 | Fails | Lc -15.1 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CBDCE4
oklch(88.4% 0.021 227.6)
-
Step 300
300
#A8C6D3
oklch(80.9% 0.037 225.9)
-
Step 400
400
#78A9BE
oklch(70.8% 0.06 226.5)
-
Step 500
500
#5293AD
oklch(63% 0.077 226.1)
-
Step 600
600
#337D99
oklch(55.5% 0.084 226.4)
-
Step 700
700
#256982
oklch(48.9% 0.078 226.3)
-
Step 800
800 (this color)
#23586C
oklch(43.4% 0.065 226.1)
-
Step 900
900
#214756
oklch(37.7% 0.05 226.3)
-
Step 950
950
#142A32
oklch(27.1% 0.032 223.6)
#23586C 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) | #4D566D | 0.049 |
| Deuteranopia (no green cones) | #434F6C | 0.042 |
| Tritanopia (no blue cones) | #005E5E | 0.039 |
| Achromatopsia (no color) | #525252 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23586C
#23586C
oklch(43.4% 0.065 226.1)
- #6E4532
#6E4532
oklch(43.3% 0.064 45.5)
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 #23586C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.027
- Deep Teal #00555A ΔE 0.038
- YInMn Blue #415A77 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.049
- Light Navy #155084 ΔE 0.054
- Dark Aqua #05696B ΔE 0.055
Use #23586C 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.