#154B40
Closest named color: Dark Teal (#014D4E). oklch(37.4% 0.059 176.7), rgb(21, 75, 64).
Aa
White text reads best on this color (9.94:1).
About this color
#154B40 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.059 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.023 away. White text reads best on it, at 9.94:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.11:1 |
| White text | 9.94:1 |
Values
| HEX | #154B40 |
| RGB | rgb(21, 75, 64) |
| HSL | hsl(168, 56%, 19%) |
| OKLCH | oklch(37.4% 0.059 176.7) |
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 #154B40 | 9.94:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #154B40 | 2.11:1 | Fails | Lc 11.1 | Not readable |
| #154B40 text on white | 9.94:1 | AAA | Lc 92.8 | Preferred for body text |
| #154B40 text on black | 2.11:1 | Fails | Lc -9.6 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD9
oklch(88.6% 0.025 177.6)
-
Step 300
300
#A3CAC0
oklch(80.8% 0.044 177.8)
-
Step 400
400
#6FAF9F
oklch(70.6% 0.07 176.6)
-
Step 500
500
#429B88
oklch(63% 0.09 177)
-
Step 600
600
#158672
oklch(55.7% 0.099 176.7)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#0B5C4E
oklch(42.6% 0.075 177.1)
-
Step 900
900 (this color)
#154B40
oklch(37.4% 0.059 176.7)
-
Step 950
950
#0F2C26
oklch(26.9% 0.037 177.8)
#154B40 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) | #484640 | 0.062 |
| Deuteranopia (no green cones) | #404041 | 0.060 |
| Tritanopia (no blue cones) | #004C48 | 0.014 |
| Achromatopsia (no color) | #434343 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154B40
#154B40
oklch(37.4% 0.059 176.7)
- #5A3341
#5A3341
oklch(37.4% 0.059 357.3)
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 #154B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.023
- Dark Blue Green #005249 ΔE 0.023
- Evergreen #05472A ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.039
- Charcoal #264653 ΔE 0.045
- Deep Teal #00555A ΔE 0.046
- Pine Green #0A481E ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.054
Use #154B40 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.