#1A449E
Closest named color: Cobalt (#1E488F). oklch(41.6% 0.154 262.8), rgb(26, 68, 158).
Aa
White text reads best on this color (8.88:1).
About this color
#1A449E is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.154 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.028 away. White text reads best on it, at 8.88:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #1A449E |
| RGB | rgb(26, 68, 158) |
| HSL | hsl(221, 72%, 36%) |
| OKLCH | oklch(41.6% 0.154 262.8) |
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 #1A449E | 8.88:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #1A449E | 2.36:1 | Fails | Lc 14.2 | Not readable |
| #1A449E text on white | 8.88:1 | AAA | Lc 89.8 | Fine for body text |
| #1A449E text on black | 2.36:1 | Fails | Lc -12.5 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A2C1FB
oklch(80.9% 0.089 262.7)
-
Step 400
400
#709EFA
oklch(70.7% 0.144 263.1)
-
Step 500
500
#4A83F7
oklch(63.1% 0.184 262.6)
-
Step 600
600
#2E69E6
oklch(55.6% 0.2 262.7)
-
Step 700
700
#2156C8
oklch(49% 0.186 262.8)
-
Step 800
800 (this color)
#1A449E
oklch(41.6% 0.154 262.8)
-
Step 900
900
#1D3D80
oklch(37.7% 0.12 262.8)
-
Step 950
950
#11244B
oklch(26.9% 0.077 262.8)
#1A449E 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) | #0050A1 | 0.031 |
| Deuteranopia (no green cones) | #00449C | 0.013 |
| Tritanopia (no blue cones) | #005B6A | 0.120 |
| Achromatopsia (no color) | #4A4A4A | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A449E
#1A449E
oklch(41.6% 0.154 262.8)
- #624700
#624700
oklch(41.6% 0.085 83.7)
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 #1A449E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.028
- Sapphire #2138AB ΔE 0.035
- Blueberry #464196 ΔE 0.053
- Dusk Blue #26538D ΔE 0.055
- Light Navy #155084 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.063
- Blue Blue #2242C7 ΔE 0.067
Use #1A449E 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.