#1C4D61
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.062 228.4), rgb(28, 77, 97).
Aa
White text reads best on this color (9.19:1).
About this color
#1C4D61 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.062 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 9.19:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #1C4D61 |
| RGB | rgb(28, 77, 97) |
| HSL | hsl(197, 55%, 25%) |
| OKLCH | oklch(39.6% 0.062 228.4) |
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 #1C4D61 | 9.19:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #1C4D61 | 2.28:1 | Fails | Lc 13.0 | Not readable |
| #1C4D61 text on white | 9.19:1 | AAA | Lc 91.0 | Preferred for body text |
| #1C4D61 text on black | 2.28:1 | Fails | Lc -11.4 | 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 900.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7D9
oklch(80.9% 0.047 229)
-
Step 400
400
#6EAAC5
oklch(70.7% 0.074 228.2)
-
Step 500
500
#4294B7
oklch(63% 0.095 229.1)
-
Step 600
600
#167EA3
oklch(55.6% 0.103 228.7)
-
Step 700
700
#016A8B
oklch(49% 0.096 228.4)
-
Step 800
800
#0C5771
oklch(42.8% 0.079 228)
-
Step 900
900 (this color)
#1C4D61
oklch(39.6% 0.062 228.4)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#1C4D61 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) | #434C62 | 0.045 |
| Deuteranopia (no green cones) | #394561 | 0.038 |
| Tritanopia (no blue cones) | #005354 | 0.037 |
| Achromatopsia (no color) | #484848 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C4D61
#1C4D61
oklch(39.6% 0.062 228.4)
- #623C28
#623C28
oklch(39.6% 0.062 48.1)
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 #1C4D61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.028
- Deep Teal #00555A ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Teal #014D4E ΔE 0.038
- Dark Blue Green #005249 ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.055
- Petrol #005F6A ΔE 0.055
Use #1C4D61 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.