#063A4E
Closest named color: Midnight Green (#073B4C). oklch(32.7% 0.062 230.1), rgb(6, 58, 78).
Aa
White text reads best on this color (12.18:1).
About this color
#063A4E is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.062 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.006 away. White text reads best on it, at 12.18:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.72:1 |
| White text | 12.18:1 |
Values
| HEX | #063A4E |
| RGB | rgb(6, 58, 78) |
| HSL | hsl(197, 86%, 16%) |
| OKLCH | oklch(32.7% 0.062 230.1) |
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 #063A4E | 12.18:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #063A4E | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #063A4E text on white | 12.18:1 | AAA | Lc 97.5 | Preferred for body text |
| #063A4E text on black | 1.72:1 | 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
#C9DDE7
oklch(88.6% 0.025 229.2)
-
Step 300
300
#A3C7D9
oklch(80.9% 0.046 229.7)
-
Step 400
400
#6FAAC6
oklch(70.8% 0.074 229.5)
-
Step 500
500
#4494B8
oklch(63.2% 0.095 230.3)
-
Step 600
600
#1C7EA4
oklch(55.7% 0.103 230)
-
Step 700
700
#096A8C
oklch(49.1% 0.095 229.8)
-
Step 800
800
#105672
oklch(42.6% 0.079 230.8)
-
Step 900
900 (this color)
#063A4E
oklch(32.7% 0.062 230.1)
-
Step 950
950
#102A36
oklch(27.1% 0.039 230.5)
#063A4E 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) | #30394F | 0.042 |
| Deuteranopia (no green cones) | #26334E | 0.035 |
| Tritanopia (no blue cones) | #004041 | 0.036 |
| Achromatopsia (no color) | #353535 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #063A4E
#063A4E
oklch(32.7% 0.062 230.1)
- #4D2A15
#4D2A15
oklch(32.6% 0.061 50.2)
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 #063A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.006
- Dark Blue Grey #1F3B4D ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.031
- Gunmetal #293241 ΔE 0.041
- Charcoal #264653 ΔE 0.051
- Marine Blue #01386A ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.052
- Onyx #343A40 ΔE 0.052
Use #063A4E 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.