#344F52
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.7% 0.033 204.7), rgb(52, 79, 82).
Aa
White text reads best on this color (8.80:1).
About this color
#344F52 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.033 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.008 away. White text reads best on it, at 8.80:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.38:1 |
| White text | 8.80:1 |
Values
| HEX | #344F52 |
| RGB | rgb(52, 79, 82) |
| HSL | hsl(186, 22%, 26%) |
| OKLCH | oklch(40.7% 0.033 204.7) |
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 #344F52 | 8.80:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #344F52 | 2.38:1 | Fails | Lc 13.9 | Not readable |
| #344F52 text on white | 8.80:1 | AAA | Lc 90.1 | Preferred for body text |
| #344F52 text on black | 2.38:1 | Fails | Lc -12.2 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D1DBDC
oklch(88.4% 0.011 204.1)
-
Step 300
300
#B3C4C6
oklch(80.8% 0.019 205.3)
-
Step 400
400
#8BA7AA
oklch(70.8% 0.031 204.4)
-
Step 500
500
#6E9195
oklch(63.2% 0.039 204.9)
-
Step 600
600
#557B7F
oklch(55.6% 0.043 204.2)
-
Step 700
700
#45686B
oklch(49.2% 0.04 202.7)
-
Step 800
800 (this color)
#344F52
oklch(40.7% 0.033 204.7)
-
Step 900
900
#314648
oklch(37.7% 0.026 203.5)
-
Step 950
950
#1D292A
oklch(27% 0.017 202.6)
#344F52 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) | #4B4D52 | 0.033 |
| Deuteranopia (no green cones) | #464952 | 0.030 |
| Tritanopia (no blue cones) | #295150 | 0.015 |
| Achromatopsia (no color) | #4A4A4A | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #344F52
#344F52
oklch(40.7% 0.033 204.7)
- #5A4341
#5A4341
oklch(40.7% 0.032 24.3)
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 #344F52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.008
- Charcoal #264653 ΔE 0.037
- Deep Teal #00555A ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.041
- Dark Teal #014D4E ΔE 0.042
- Dark Blue Green #005249 ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.045
- Petrol #005F6A ΔE 0.057
Use #344F52 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.