#06447E
Closest named color: Twilight Blue (#0A437A). oklch(38.6% 0.114 252.9), rgb(6, 68, 126).
Aa
White text reads best on this color (9.83:1).
About this color
#06447E is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.114 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.007 away. White text reads best on it, at 9.83:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #06447E |
| RGB | rgb(6, 68, 126) |
| HSL | hsl(209, 91%, 26%) |
| OKLCH | oklch(38.6% 0.114 252.9) |
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 #06447E | 9.83:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #06447E | 2.13:1 | Fails | Lc 11.7 | Not readable |
| #06447E text on white | 9.83:1 | AAA | Lc 92.3 | Preferred for body text |
| #06447E text on black | 2.13:1 | Fails | Lc -10.2 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF8
oklch(88.6% 0.047 252.4)
-
Step 300
300
#99C4F7
oklch(80.8% 0.086 253.1)
-
Step 400
400
#5EA4F3
oklch(70.7% 0.136 252.8)
-
Step 500
500
#278AEF
oklch(63% 0.175 253.2)
-
Step 600
600
#0073D3
oklch(55.6% 0.171 252.9)
-
Step 700
700
#0061B3
oklch(49.2% 0.151 252.8)
-
Step 800
800
#004F94
oklch(42.8% 0.131 252.8)
-
Step 900
900 (this color)
#06447E
oklch(38.6% 0.114 252.9)
-
Step 950
950
#072748
oklch(27% 0.071 252.7)
#06447E 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) | #254980 | 0.028 |
| Deuteranopia (no green cones) | #093F7D | 0.014 |
| Tritanopia (no blue cones) | #00525A | 0.085 |
| Achromatopsia (no color) | #434343 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #06447E
#06447E
oklch(38.6% 0.114 252.9)
- #5E3C00
#5E3C00
oklch(38.7% 0.082 73.4)
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 #06447E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.007
- Cobalt #1E488F ΔE 0.035
- Light Navy #155084 ΔE 0.038
- Marine Blue #01386A ΔE 0.048
- Deep Sea Blue #015482 ΔE 0.048
- Dusk Blue #26538D ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.074
Use #06447E 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.