#1E4440
Closest named color: Dark Teal (#014D4E). oklch(35.7% 0.044 186.4), rgb(30, 68, 64).
Aa
White text reads best on this color (10.73:1).
About this color
#1E4440 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.044 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.033 away. White text reads best on it, at 10.73:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #1E4440 |
| RGB | rgb(30, 68, 64) |
| HSL | hsl(174, 39%, 19%) |
| OKLCH | oklch(35.7% 0.044 186.4) |
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 #1E4440 | 10.73:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #1E4440 | 1.95:1 | Fails | Lc 9.2 | Not readable |
| #1E4440 text on white | 10.73:1 | AAA | Lc 94.8 | Preferred for body text |
| #1E4440 text on black | 1.95:1 | Fails | Lc -7.9 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#AAC8C4
oklch(80.9% 0.033 186.7)
-
Step 400
400
#7BACA6
oklch(70.8% 0.053 186.6)
-
Step 500
500
#569790
oklch(63.1% 0.068 186.7)
-
Step 600
600
#39817A
oklch(55.5% 0.073 186.8)
-
Step 700
700
#2A6D67
oklch(49% 0.068 187.1)
-
Step 800
800
#255954
oklch(42.7% 0.056 186.8)
-
Step 900
900 (this color)
#1E4440
oklch(35.7% 0.044 186.4)
-
Step 950
950
#162B28
oklch(27% 0.028 184.2)
#1E4440 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) | #414040 | 0.048 |
| Deuteranopia (no green cones) | #3A3C40 | 0.043 |
| Tritanopia (no blue cones) | #094543 | 0.014 |
| Achromatopsia (no color) | #3E3E3E | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4440
#1E4440
oklch(35.7% 0.044 186.4)
- #503339
#503339
oklch(35.8% 0.043 5.9)
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 #1E4440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.033
- Charcoal #264653 ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.040
- Onyx #343A40 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.044
- Dark Blue Green #005249 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.046
- Evergreen #05472A ΔE 0.047
Use #1E4440 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.