#063C4E
Closest named color: Midnight Green (#073B4C). oklch(33.3% 0.061 226.6), rgb(6, 60, 78).
Aa
White text reads best on this color (11.90:1).
About this color
#063C4E is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.061 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.004 away. White text reads best on it, at 11.90:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.76:1 |
| White text | 11.90:1 |
Values
| HEX | #063C4E |
| RGB | rgb(6, 60, 78) |
| HSL | hsl(195, 86%, 16%) |
| OKLCH | oklch(33.3% 0.061 226.6) |
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 #063C4E | 11.90:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #063C4E | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #063C4E text on white | 11.90:1 | AAA | Lc 96.9 | Preferred for body text |
| #063C4E text on black | 1.76:1 | Fails | Lc 0.0 | 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
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A2C7D7
oklch(80.8% 0.045 226)
-
Step 400
400
#6EAAC4
oklch(70.7% 0.073 227.3)
-
Step 500
500
#4295B5
oklch(63.2% 0.093 226.5)
-
Step 600
600
#177FA1
oklch(55.7% 0.101 226.4)
-
Step 700
700
#026B89
oklch(49.2% 0.093 225.8)
-
Step 800
800
#0C5770
oklch(42.7% 0.078 227)
-
Step 900
900 (this color)
#063C4E
oklch(33.3% 0.061 226.6)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#063C4E 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) | #323B4F | 0.044 |
| Deuteranopia (no green cones) | #29344E | 0.039 |
| Tritanopia (no blue cones) | #004142 | 0.032 |
| Achromatopsia (no color) | #373737 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #063C4E
#063C4E
oklch(33.3% 0.061 226.6)
- #4F2B19
#4F2B19
oklch(33.1% 0.061 46.5)
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 #063C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.004
- Dark Blue Grey #1F3B4D ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.035
- Gunmetal #293241 ΔE 0.043
- Charcoal #264653 ΔE 0.046
- Onyx #343A40 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.051
- Marine Blue #01386A ΔE 0.054
Use #063C4E 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.