#345F5E
Closest named color: Dark Green Blue (#1F6357). oklch(45.4% 0.048 193.7), rgb(52, 95, 94).
Aa
White text reads best on this color (7.13:1).
About this color
#345F5E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.048 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.027 away. White text reads best on it, at 7.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.94:1 |
| White text | 7.13:1 |
Values
| HEX | #345F5E |
| RGB | rgb(52, 95, 94) |
| HSL | hsl(179, 29%, 29%) |
| OKLCH | oklch(45.4% 0.048 193.7) |
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 #345F5E | 7.13:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #345F5E | 2.94:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #345F5E text on white | 7.13:1 | AAA | Lc 84.6 | Fine for body text |
| #345F5E text on black | 2.94:1 | Fails | Lc -17.4 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDC
oklch(88.6% 0.016 192)
-
Step 300
300
#ADC7C6
oklch(81% 0.028 193.8)
-
Step 400
400
#80AAA8
oklch(70.7% 0.045 192.5)
-
Step 500
500
#5F9593
oklch(63.2% 0.057 192.8)
-
Step 600
600
#437F7E
oklch(55.6% 0.063 194.1)
-
Step 700
700
#356B6A
oklch(49.1% 0.057 193.9)
-
Step 800
800 (this color)
#345F5E
oklch(45.4% 0.048 193.7)
-
Step 900
900
#284847
oklch(37.7% 0.038 193.1)
-
Step 950
950
#182A2A
oklch(26.9% 0.024 195.8)
#345F5E 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) | #5A5B5E | 0.050 |
| Deuteranopia (no green cones) | #53555E | 0.048 |
| Tritanopia (no blue cones) | #20615F | 0.017 |
| Achromatopsia (no color) | #585858 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345F5E
#345F5E
oklch(45.4% 0.048 193.7)
- #6F4B4E
#6F4B4E
oklch(45.4% 0.049 13.7)
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 #345F5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.027
- Petrol #005F6A ΔE 0.034
- Dark Aqua #05696B ΔE 0.037
- Deep Teal #00555A ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.052
- YInMn Blue #415A77 ΔE 0.052
- Slate #516572 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.061
Use #345F5E 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.