#155654
Closest named color: Deep Teal (#00555A). oklch(41.3% 0.063 192), rgb(21, 86, 84).
Aa
White text reads best on this color (8.43:1).
About this color
#155654 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.063 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.014 away. White text reads best on it, at 8.43:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.49:1 |
| White text | 8.43:1 |
Values
| HEX | #155654 |
| RGB | rgb(21, 86, 84) |
| HSL | hsl(178, 61%, 21%) |
| OKLCH | oklch(41.3% 0.063 192) |
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 #155654 | 8.43:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #155654 | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #155654 text on white | 8.43:1 | AAA | Lc 88.8 | Fine for body text |
| #155654 text on black | 2.49:1 | Fails | Lc -13.4 | 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 800.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A6C9C7
oklch(81% 0.037 192.2)
-
Step 400
400
#75ADAA
oklch(70.8% 0.059 191.7)
-
Step 500
500
#4D9895
oklch(63.1% 0.075 192)
-
Step 600
600
#2A8280
oklch(55.5% 0.081 192.9)
-
Step 700
700
#1B6E6C
oklch(49.1% 0.076 192.6)
-
Step 800
800 (this color)
#155654
oklch(41.3% 0.063 192)
-
Step 900
900
#1D4A48
oklch(37.7% 0.049 191.3)
-
Step 950
950
#122B2A
oklch(26.9% 0.031 192.1)
#155654 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) | #505154 | 0.066 |
| Deuteranopia (no green cones) | #474A55 | 0.063 |
| Tritanopia (no blue cones) | #005955 | 0.011 |
| Achromatopsia (no color) | #4D4D4D | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155654
#155654
oklch(41.3% 0.063 192)
- #693C42
#693C42
oklch(41.3% 0.064 11.6)
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 #155654, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.014
- Dark Blue Green #005249 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Teal #014D4E ΔE 0.033
- Petrol #005F6A ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.044
- Charcoal #264653 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.058
Use #155654 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.