#0446A3
Closest named color: Sapphire (#2138AB). oklch(42% 0.162 259.4), rgb(4, 70, 163).
Aa
White text reads best on this color (8.71:1).
About this color
#0446A3 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.162 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.036 away. White text reads best on it, at 8.71:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #0446A3 |
| RGB | rgb(4, 70, 163) |
| HSL | hsl(215, 95%, 33%) |
| OKLCH | oklch(42% 0.162 259.4) |
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 #0446A3 | 8.71:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #0446A3 | 2.41:1 | Fails | Lc 14.9 | Not readable |
| #0446A3 text on white | 8.71:1 | AAA | Lc 89.1 | Fine for body text |
| #0446A3 text on black | 2.41:1 | Fails | Lc -13.1 | 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 800.
-
Step 50
50
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DBFD
oklch(88.6% 0.053 259)
-
Step 300
300
#9CC2FE
oklch(80.9% 0.095 259.4)
-
Step 400
400
#65A0FE
oklch(70.8% 0.152 259.3)
-
Step 500
500
#3984FC
oklch(63.1% 0.194 259.6)
-
Step 600
600
#0F6AEB
oklch(55.6% 0.21 259.4)
-
Step 700
700
#0057CC
oklch(49% 0.195 259.5)
-
Step 800
800 (this color)
#0446A3
oklch(42% 0.162 259.4)
-
Step 900
900
#113E83
oklch(37.7% 0.126 259.3)
-
Step 950
950
#0C254D
oklch(27.1% 0.08 259.5)
#0446A3 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) | #0052A6 | 0.032 |
| Deuteranopia (no green cones) | #0045A1 | 0.005 |
| Tritanopia (no blue cones) | #005E6D | 0.124 |
| Achromatopsia (no color) | #4B4B4B | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0446A3
#0446A3
oklch(42% 0.162 259.4)
- #664600
#664600
oklch(41.9% 0.087 78.9)
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 #0446A3, closest first.
No curated palette has a color within ΔE 0.04 of #0446A3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.036
- Cobalt #1E488F ΔE 0.036
- Dusk Blue #26538D ΔE 0.059
- Blue Blue #2242C7 ΔE 0.061
- Light Navy #155084 ΔE 0.062
- Blueberry #464196 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.068
- Deep Sea Blue #015482 ΔE 0.071
Use #0446A3 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.