#1E4342
Closest named color: Charcoal (#264653). oklch(35.5% 0.042 193.1), rgb(30, 67, 66).
Aa
White text reads best on this color (10.84:1).
About this color
#1E4342 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.042 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.032 away. White text reads best on it, at 10.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.93:1 |
| White text | 10.84:1 |
Values
| HEX | #1E4342 |
| RGB | rgb(30, 67, 66) |
| HSL | hsl(178, 38%, 19%) |
| OKLCH | oklch(35.5% 0.042 193.1) |
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 #1E4342 | 10.84:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #1E4342 | 1.93:1 | Fails | Lc 8.9 | Not readable |
| #1E4342 text on white | 10.84:1 | AAA | Lc 95.0 | Preferred for body text |
| #1E4342 text on black | 1.93:1 | Fails | Lc -7.6 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC8C6
oklch(81% 0.032 191.6)
-
Step 400
400
#7BABA9
oklch(70.7% 0.051 192.8)
-
Step 500
500
#579694
oklch(63% 0.065 193)
-
Step 600
600
#3A807F
oklch(55.5% 0.07 194.1)
-
Step 700
700
#2B6C6B
oklch(49% 0.066 193.8)
-
Step 800
800
#255857
oklch(42.6% 0.054 193.6)
-
Step 900
900 (this color)
#1E4342
oklch(35.5% 0.042 193.1)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#1E4342 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) | #3F4042 | 0.044 |
| Deuteranopia (no green cones) | #393B42 | 0.042 |
| Tritanopia (no blue cones) | #074543 | 0.015 |
| Achromatopsia (no color) | #3D3D3D | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E4342
#1E4342
oklch(35.5% 0.042 193.1)
- #503335
#503335
oklch(35.6% 0.042 14.9)
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 #1E4342, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.032
- Dark Teal #014D4E ΔE 0.034
- Onyx #343A40 ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.039
- Midnight Green #073B4C ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.048
Use #1E4342 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.