#345D55
Closest named color: Dark Green Blue (#1F6357). oklch(44.6% 0.048 180), rgb(52, 93, 85).
Aa
White text reads best on this color (7.38:1).
About this color
#345D55 is a dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.048 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.023 away. White text reads best on it, at 7.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #345D55 |
| RGB | rgb(52, 93, 85) |
| HSL | hsl(168, 28%, 28%) |
| OKLCH | oklch(44.6% 0.048 180) |
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 #345D55 | 7.38:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #345D55 | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #345D55 text on white | 7.38:1 | AAA | Lc 85.6 | Fine for body text |
| #345D55 text on black | 2.84:1 | Fails | Lc -16.5 | 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
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AEC7C1
oklch(80.9% 0.028 179.5)
-
Step 400
400
#82AAA2
oklch(70.6% 0.045 181.3)
-
Step 500
500
#62958B
oklch(63.1% 0.057 180.7)
-
Step 600
600
#478075
oklch(55.7% 0.063 180)
-
Step 700
700
#386C62
oklch(49.2% 0.059 179.8)
-
Step 800
800 (this color)
#345D55
oklch(44.6% 0.048 180)
-
Step 900
900
#2A4842
oklch(37.6% 0.038 180)
-
Step 950
950
#192A27
oklch(26.9% 0.023 182.2)
#345D55 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) | #5A5955 | 0.051 |
| Deuteranopia (no green cones) | #535356 | 0.050 |
| Tritanopia (no blue cones) | #255E5B | 0.015 |
| Achromatopsia (no color) | #565656 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345D55
#345D55
oklch(44.6% 0.048 180)
- #6B4953
#6B4953
oklch(44.6% 0.048 0)
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 #345D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.023
- Petrol #005F6A ΔE 0.041
- Dark Aqua #05696B ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.045
- Deep Teal #00555A ΔE 0.048
- Pine #2B5D34 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.056
- Spruce #0A5F38 ΔE 0.060
Use #345D55 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.