#1C4F60
Closest named color: Deep Teal (#00555A). oklch(40.1% 0.06 223.5), rgb(28, 79, 96).
Aa
White text reads best on this color (8.98:1).
About this color
#1C4F60 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.060 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.027 away. White text reads best on it, at 8.98:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.33:1 |
| White text | 8.98:1 |
Values
| HEX | #1C4F60 |
| RGB | rgb(28, 79, 96) |
| HSL | hsl(195, 55%, 24%) |
| OKLCH | oklch(40.1% 0.06 223.5) |
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 #1C4F60 | 8.98:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #1C4F60 | 2.33:1 | Fails | Lc 13.6 | Not readable |
| #1C4F60 text on white | 8.98:1 | AAA | Lc 90.4 | Preferred for body text |
| #1C4F60 text on black | 2.33:1 | Fails | Lc -11.9 | 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
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C8DDE5
oklch(88.4% 0.025 222.6)
-
Step 300
300
#A2C8D6
oklch(81% 0.045 222.3)
-
Step 400
400
#6CABC2
oklch(70.7% 0.073 223.2)
-
Step 500
500
#3F95B3
oklch(63% 0.093 224.3)
-
Step 600
600
#0F7F9E
oklch(55.5% 0.101 223.5)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#07586E
oklch(42.8% 0.077 223)
-
Step 900
900 (this color)
#1C4F60
oklch(40.1% 0.06 223.5)
-
Step 950
950
#0E2A34
oklch(26.9% 0.038 224.5)
#1C4F60 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) | #454D61 | 0.047 |
| Deuteranopia (no green cones) | #3C4660 | 0.043 |
| Tritanopia (no blue cones) | #005454 | 0.033 |
| Achromatopsia (no color) | #494949 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C4F60
#1C4F60
oklch(40.1% 0.06 223.5)
- #633D2D
#633D2D
oklch(40.1% 0.06 43.5)
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 #1C4F60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.032
- Dark Teal #014D4E ΔE 0.036
- Dark Blue Green #005249 ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.056
Use #1C4F60 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.