#1C576A
Closest named color: Petrol (#005F6A). oklch(42.8% 0.067 223.2), rgb(28, 87, 106).
Aa
White text reads best on this color (8.01:1).
About this color
#1C576A is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.067 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.026 away. White text reads best on it, at 8.01:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.62:1 |
| White text | 8.01:1 |
Values
| HEX | #1C576A |
| RGB | rgb(28, 87, 106) |
| HSL | hsl(195, 58%, 26%) |
| OKLCH | oklch(42.8% 0.067 223.2) |
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 #1C576A | 8.01:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #1C576A | 2.62:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #1C576A text on white | 8.01:1 | AAA | Lc 87.5 | Fine for body text |
| #1C576A text on black | 2.62:1 | Fails | Lc -14.6 | 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 800.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE4
oklch(88.6% 0.022 223)
-
Step 300
300
#A6C7D3
oklch(80.9% 0.039 221.9)
-
Step 400
400
#75AABD
oklch(70.8% 0.062 222.4)
-
Step 500
500
#4E94AD
oklch(63.1% 0.08 223.6)
-
Step 600
600
#2C7E99
oklch(55.6% 0.088 223.8)
-
Step 700
700
#1E6A82
oklch(49% 0.081 223.6)
-
Step 800
800 (this color)
#1C576A
oklch(42.8% 0.067 223.2)
-
Step 900
900
#1E4856
oklch(37.8% 0.052 222.7)
-
Step 950
950
#132A32
oklch(27% 0.033 222.8)
#1C576A 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) | #4C556B | 0.053 |
| Deuteranopia (no green cones) | #414D6A | 0.047 |
| Tritanopia (no blue cones) | #005D5D | 0.036 |
| Achromatopsia (no color) | #505050 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C576A
#1C576A
oklch(42.8% 0.067 223.2)
- #6E4330
#6E4330
oklch(42.9% 0.067 44.4)
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 #1C576A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.026
- Deep Teal #00555A ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.045
- YInMn Blue #415A77 ΔE 0.046
- Dark Grey Blue #29465B ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.054
- Light Navy #155084 ΔE 0.054
Use #1C576A 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.