#2E4E4F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40% 0.038 198.3), rgb(46, 78, 79).
Aa
White text reads best on this color (9.05:1).
About this color
#2E4E4F is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.038 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.004 away. White text reads best on it, at 9.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #2E4E4F |
| RGB | rgb(46, 78, 79) |
| HSL | hsl(182, 26%, 25%) |
| OKLCH | oklch(40% 0.038 198.3) |
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 #2E4E4F | 9.05:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #2E4E4F | 2.31:1 | Fails | Lc 13.2 | Not readable |
| #2E4E4F text on white | 9.05:1 | AAA | Lc 90.8 | Preferred for body text |
| #2E4E4F text on black | 2.31:1 | Fails | Lc -11.6 | 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 900.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CEDCDD
oklch(88.4% 0.015 202)
-
Step 300
300
#ACC7C7
oklch(81% 0.029 196.6)
-
Step 400
400
#80AAAB
oklch(70.8% 0.045 198)
-
Step 500
500
#5E9596
oklch(63.2% 0.058 197.3)
-
Step 600
600
#427F81
oklch(55.7% 0.063 198.3)
-
Step 700
700
#346B6D
oklch(49.1% 0.058 198.6)
-
Step 800
800
#2C5759
oklch(42.7% 0.048 199.5)
-
Step 900
900 (this color)
#2E4E4F
oklch(40% 0.038 198.3)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#2E4E4F 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) | #4A4B4F | 0.039 |
| Deuteranopia (no green cones) | #44474F | 0.036 |
| Tritanopia (no blue cones) | #20504E | 0.015 |
| Achromatopsia (no color) | #494949 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4E4F
#2E4E4F
oklch(40% 0.038 198.3)
- #5A4040
#5A4040
oklch(40% 0.036 18.8)
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 #2E4E4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.004
- Charcoal #264653 ΔE 0.032
- Dark Teal #014D4E ΔE 0.033
- Deep Teal #00555A ΔE 0.033
- Dark Blue Green #005249 ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.042
- Petrol #005F6A ΔE 0.060
Use #2E4E4F 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.