#1C5A5C
Closest named color: Deep Teal (#00555A). oklch(43% 0.062 198.2), rgb(28, 90, 92).
Aa
White text reads best on this color (7.87:1).
About this color
#1C5A5C is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.062 and its hue 198°. 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 7.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #1C5A5C |
| RGB | rgb(28, 90, 92) |
| HSL | hsl(182, 53%, 24%) |
| OKLCH | oklch(43% 0.062 198.2) |
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 #1C5A5C | 7.87:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #1C5A5C | 2.66:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #1C5A5C text on white | 7.87:1 | AAA | Lc 87.1 | Fine for body text |
| #1C5A5C text on black | 2.66:1 | Fails | Lc -15.0 | Dividers and decoration only |
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
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A6C8C9
oklch(80.8% 0.036 198.7)
-
Step 400
400
#75ACAE
oklch(70.7% 0.058 198.8)
-
Step 500
500
#4D979A
oklch(63% 0.074 198.9)
-
Step 600
600
#2B8284
oklch(55.7% 0.081 197.3)
-
Step 700
700
#1C6D70
oklch(49% 0.074 198.7)
-
Step 800
800 (this color)
#1C5A5C
oklch(43% 0.062 198.2)
-
Step 900
900
#1E494B
oklch(37.6% 0.047 199.4)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#1C5A5C 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) | #53565C | 0.063 |
| Deuteranopia (no green cones) | #4A4E5C | 0.060 |
| Tritanopia (no blue cones) | #005D5A | 0.015 |
| Achromatopsia (no color) | #515151 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C5A5C
#1C5A5C
oklch(43% 0.062 198.2)
- #6E4143
#6E4143
oklch(42.9% 0.063 17.2)
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 #1C5A5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.022
- Petrol #005F6A ΔE 0.024
- Dark Green Blue #1F6357 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Blue Green #005249 ΔE 0.041
- Dark Aqua #05696B ΔE 0.047
- Dark Teal #014D4E ΔE 0.049
- YInMn Blue #415A77 ΔE 0.062
Use #1C5A5C 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.