#3C545D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43% 0.033 223.1), rgb(60, 84, 93).
Aa
White text reads best on this color (8.02:1).
About this color
#3C545D is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.033 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.032 away. White text reads best on it, at 8.02:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #3C545D |
| RGB | rgb(60, 84, 93) |
| HSL | hsl(196, 22%, 30%) |
| OKLCH | oklch(43% 0.033 223.1) |
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 #3C545D | 8.02:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #3C545D | 2.61:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #3C545D text on white | 8.02:1 | AAA | Lc 87.8 | Fine for body text |
| #3C545D text on black | 2.61:1 | Fails | Lc -14.4 | Not readable |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B4C4CA
oklch(81% 0.019 222.2)
-
Step 400
400
#8DA5AF
oklch(70.7% 0.031 224.9)
-
Step 500
500
#708F9B
oklch(63.1% 0.039 223.5)
-
Step 600
600
#587986
oklch(55.6% 0.043 224.2)
-
Step 700
700
#486671
oklch(49.1% 0.039 222.7)
-
Step 800
800 (this color)
#3C545D
oklch(43% 0.033 223.1)
-
Step 900
900
#33454C
oklch(37.8% 0.026 223.7)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#3C545D 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) | #4F535E | 0.027 |
| Deuteranopia (no green cones) | #4A4F5D | 0.024 |
| Tritanopia (no blue cones) | #315757 | 0.021 |
| Achromatopsia (no color) | #505050 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C545D
#3C545D
oklch(43% 0.033 223.1)
- #604A42
#604A42
oklch(43% 0.033 40.9)
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 #3C545D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.032
- YInMn Blue #415A77 ΔE 0.044
- Deep Teal #00555A ΔE 0.046
- Petrol #005F6A ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.054
- Dusty Grape #545775 ΔE 0.055
- Charcoal #264653 ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.057
Use #3C545D 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.