#355A54
Closest named color: Dark Green Blue (#1F6357). oklch(43.8% 0.044 182.8), rgb(53, 90, 84).
Aa
White text reads best on this color (7.65:1).
About this color
#355A54 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.044 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.031 away. White text reads best on it, at 7.65:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #355A54 |
| RGB | rgb(53, 90, 84) |
| HSL | hsl(170, 26%, 28%) |
| OKLCH | oklch(43.8% 0.044 182.8) |
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 #355A54 | 7.65:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #355A54 | 2.74:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #355A54 text on white | 7.65:1 | AAA | Lc 86.5 | Fine for body text |
| #355A54 text on black | 2.74:1 | Fails | Lc -15.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5EBEA
oklch(93.5% 0.007 185.3)
-
Step 200
200
#CFDCDA
oklch(88.4% 0.014 185.9)
-
Step 300
300
#AFC6C2
oklch(80.8% 0.026 184.1)
-
Step 400
400
#85A9A3
oklch(70.6% 0.04 183.9)
-
Step 500
500
#65948C
oklch(63% 0.052 182.8)
-
Step 600
600
#4B7E76
oklch(55.5% 0.057 183.1)
-
Step 700
700
#3C6B63
oklch(49.2% 0.053 181.9)
-
Step 800
800 (this color)
#355A54
oklch(43.8% 0.044 182.8)
-
Step 900
900
#2C4843
oklch(37.8% 0.035 181.9)
-
Step 950
950
#1A2A27
oklch(27% 0.022 181.6)
#355A54 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) | #575654 | 0.047 |
| Deuteranopia (no green cones) | #505155 | 0.045 |
| Tritanopia (no blue cones) | #285B58 | 0.013 |
| Achromatopsia (no color) | #535353 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355A54
#355A54
oklch(43.8% 0.044 182.8)
- #674850
#674850
oklch(43.8% 0.044 2.1)
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 #355A54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.037
- Petrol #005F6A ΔE 0.042
- Deep Teal #00555A ΔE 0.043
- Dark Blue Green #005249 ΔE 0.052
- Dark Aqua #05696B ΔE 0.052
- Pine #2B5D34 ΔE 0.056
- Dark Teal #014D4E ΔE 0.062
Use #355A54 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.