#154C57
Closest named color: Dark Teal (#014D4E). oklch(38.6% 0.058 213.8), rgb(21, 76, 87).
Aa
White text reads best on this color (9.53:1).
About this color
#154C57 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.058 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.020 away. White text reads best on it, at 9.53:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #154C57 |
| RGB | rgb(21, 76, 87) |
| HSL | hsl(190, 61%, 21%) |
| OKLCH | oklch(38.6% 0.058 213.8) |
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 #154C57 | 9.53:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #154C57 | 2.20:1 | Fails | Lc 12.2 | Not readable |
| #154C57 text on white | 9.53:1 | AAA | Lc 91.8 | Preferred for body text |
| #154C57 text on black | 2.20:1 | Fails | Lc -10.6 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE3
oklch(88.6% 0.024 212.9)
-
Step 300
300
#A1C9D2
oklch(81% 0.044 212.9)
-
Step 400
400
#6BACBB
oklch(70.6% 0.07 214)
-
Step 500
500
#3C97AA
oklch(63% 0.089 213.9)
-
Step 600
600
#028196
oklch(55.5% 0.097 214.4)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900 (this color)
#154C57
oklch(38.6% 0.058 213.8)
-
Step 950
950
#0D2B31
oklch(27% 0.037 212.9)
#154C57 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) | #444958 | 0.053 |
| Deuteranopia (no green cones) | #3B4257 | 0.049 |
| Tritanopia (no blue cones) | #00504F | 0.024 |
| Achromatopsia (no color) | #454545 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #154C57
#154C57
oklch(38.6% 0.058 213.8)
- #5F382F
#5F382F
oklch(38.6% 0.058 33.8)
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 #154C57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.020
- Charcoal #264653 ΔE 0.021
- Dark Grey Blue #29465B ΔE 0.028
- Deep Teal #00555A ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.030
- Dark Blue Green #005249 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.054
Use #154C57 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.