#1E554F
Closest named color: Deep Teal (#00555A). oklch(41.1% 0.058 185.3), rgb(30, 85, 79).
Aa
White text reads best on this color (8.51:1).
About this color
#1E554F is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.058 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.022 away. White text reads best on it, at 8.51:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.46:1 |
| White text | 8.51:1 |
Values
| HEX | #1E554F |
| RGB | rgb(30, 85, 79) |
| HSL | hsl(173, 48%, 23%) |
| OKLCH | oklch(41.1% 0.058 185.3) |
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 #1E554F | 8.51:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #1E554F | 2.46:1 | Fails | Lc 14.9 | Not readable |
| #1E554F text on white | 8.51:1 | AAA | Lc 89.1 | Fine for body text |
| #1E554F text on black | 2.46:1 | Fails | Lc -13.1 | 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
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A9C8C3
oklch(80.8% 0.034 184.7)
-
Step 400
400
#7AACA5
oklch(70.7% 0.054 185.2)
-
Step 500
500
#55978F
oklch(63% 0.069 185.6)
-
Step 600
600
#368279
oklch(55.7% 0.076 184.7)
-
Step 700
700
#286E66
oklch(49.2% 0.071 184.8)
-
Step 800
800 (this color)
#1E554F
oklch(41.1% 0.058 185.3)
-
Step 900
900
#224945
oklch(37.6% 0.045 186.7)
-
Step 950
950
#152B28
oklch(27% 0.029 184.5)
#1E554F 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) | #51504F | 0.063 |
| Deuteranopia (no green cones) | #484A50 | 0.058 |
| Tritanopia (no blue cones) | #005753 | 0.014 |
| Achromatopsia (no color) | #4D4D4D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E554F
#1E554F
oklch(41.1% 0.058 185.3)
- #663D46
#663D46
oklch(41.2% 0.059 5.7)
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 #1E554F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.022
- Dark Blue Green #005249 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.024
- Dark Teal #014D4E ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.045
- Petrol #005F6A ΔE 0.046
- Charcoal #264653 ΔE 0.053
- Pine #2B5D34 ΔE 0.057
Use #1E554F 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.