#154A43
Closest named color: Dark Teal (#014D4E). oklch(37.2% 0.056 182.8), rgb(21, 74, 67).
Aa
White text reads best on this color (10.03:1).
About this color
#154A43 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.056 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.019 away. White text reads best on it, at 10.03:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.09:1 |
| White text | 10.03:1 |
Values
| HEX | #154A43 |
| RGB | rgb(21, 74, 67) |
| HSL | hsl(172, 56%, 19%) |
| OKLCH | oklch(37.2% 0.056 182.8) |
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 #154A43 | 10.03:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #154A43 | 2.09:1 | Fails | Lc 10.9 | Not readable |
| #154A43 text on white | 10.03:1 | AAA | Lc 93.1 | Preferred for body text |
| #154A43 text on black | 2.09:1 | Fails | Lc -9.4 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#C9DEDA
oklch(88.4% 0.023 183.1)
-
Step 300
300
#A3CAC3
oklch(80.9% 0.043 183.1)
-
Step 400
400
#6FAFA4
oklch(70.8% 0.068 182.2)
-
Step 500
500
#439B8E
oklch(63.2% 0.087 182.3)
-
Step 600
600
#178578
oklch(55.6% 0.094 182.5)
-
Step 700
700
#017065
oklch(49% 0.087 183.1)
-
Step 800
800
#0C5C53
oklch(42.8% 0.072 183)
-
Step 900
900 (this color)
#154A43
oklch(37.2% 0.056 182.8)
-
Step 950
950
#0F2C28
oklch(27% 0.036 183.4)
#154A43 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) | #464543 | 0.060 |
| Deuteranopia (no green cones) | #3E4044 | 0.056 |
| Tritanopia (no blue cones) | #004C48 | 0.011 |
| Achromatopsia (no color) | #424242 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154A43
#154A43
oklch(37.2% 0.056 182.8)
- #59333D
#59333D
oklch(37.1% 0.056 3.2)
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 #154A43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.019
- Dark Blue Green #005249 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.037
- Charcoal #264653 ΔE 0.039
- Evergreen #05472A ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.053
Use #154A43 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.