#063275
Closest named color: Marine Blue (#01386A). oklch(33.5% 0.124 259.6), rgb(6, 50, 117).
Aa
White text reads best on this color (12.20:1).
About this color
#063275 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.124 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.027 away. White text reads best on it, at 12.20:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.72:1 |
| White text | 12.20:1 |
Values
| HEX | #063275 |
| RGB | rgb(6, 50, 117) |
| HSL | hsl(216, 90%, 24%) |
| OKLCH | oklch(33.5% 0.124 259.6) |
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 #063275 | 12.20:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #063275 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #063275 text on white | 12.20:1 | AAA | Lc 97.2 | Preferred for body text |
| #063275 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9DC2FD
oklch(80.9% 0.093 259.6)
-
Step 400
400
#67A0FC
oklch(70.7% 0.148 259.6)
-
Step 500
500
#3B84FA
oklch(63% 0.191 259.7)
-
Step 600
600
#166AE9
oklch(55.5% 0.207 259.7)
-
Step 700
700
#0558CB
oklch(49.2% 0.192 259.6)
-
Step 800
800
#0B48A4
oklch(42.6% 0.16 259.8)
-
Step 900
900 (this color)
#063275
oklch(33.5% 0.124 259.6)
-
Step 950
950
#0D254C
oklch(27% 0.078 259.7)
#063275 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) | #003A77 | 0.022 |
| Deuteranopia (no green cones) | #003174 | 0.005 |
| Tritanopia (no blue cones) | #00434E | 0.095 |
| Achromatopsia (no color) | #353535 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #063275
#063275
oklch(33.5% 0.124 259.6)
- #493200
#493200
oklch(33.5% 0.069 80.5)
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 #063275, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.027
- Marine #042E60 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.057
- Midnight Blue #191970 ΔE 0.059
- Royal #0C1793 ΔE 0.072
- Cobalt #1E488F ΔE 0.079
- Midnight Green #073B4C ΔE 0.082
Use #063275 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.