#174140
Closest named color: Midnight Green (#073B4C). oklch(34.6% 0.046 193.1), rgb(23, 65, 64).
Aa
White text reads best on this color (11.25:1).
About this color
#174140 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.046 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.036 away. White text reads best on it, at 11.25:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.86:1 |
| White text | 11.25:1 |
Values
| HEX | #174140 |
| RGB | rgb(23, 65, 64) |
| HSL | hsl(179, 48%, 17%) |
| OKLCH | oklch(34.6% 0.046 193.1) |
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 #174140 | 11.25:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #174140 | 1.86:1 | Fails | Lc 8.1 | Not readable |
| #174140 text on white | 11.25:1 | AAA | Lc 95.8 | Preferred for body text |
| #174140 text on black | 1.86:1 | Fails | Lc 0.0 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDC
oklch(88.4% 0.019 192.8)
-
Step 300
300
#A8C8C7
oklch(80.9% 0.034 194.2)
-
Step 400
400
#77ACAA
oklch(70.7% 0.056 193)
-
Step 500
500
#519795
oklch(63% 0.071 193.1)
-
Step 600
600
#318280
oklch(55.7% 0.078 192.9)
-
Step 700
700
#236D6C
oklch(49% 0.071 193.8)
-
Step 800
800
#1F5958
oklch(42.6% 0.059 193.6)
-
Step 900
900 (this color)
#174140
oklch(34.6% 0.046 193.1)
-
Step 950
950
#142B2A
oklch(27% 0.029 191.9)
#174140 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) | #3D3E40 | 0.049 |
| Deuteranopia (no green cones) | #363940 | 0.045 |
| Tritanopia (no blue cones) | #004341 | 0.013 |
| Achromatopsia (no color) | #3B3B3B | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #174140
#174140
oklch(34.6% 0.046 193.1)
- #4F2F32
#4F2F32
oklch(34.6% 0.047 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 #174140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.036
- Charcoal #264653 ΔE 0.039
- Dark Teal #014D4E ΔE 0.040
- Onyx #343A40 ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.047
- Evergreen #05472A ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.053
Use #174140 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.