#1A41AA
Closest named color: Sapphire (#2138AB). oklch(42% 0.174 264.4), rgb(26, 65, 170).
Aa
White text reads best on this color (8.82:1).
About this color
#1A41AA is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.174 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.020 away. White text reads best on it, at 8.82:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.38:1 |
| White text | 8.82:1 |
Values
| HEX | #1A41AA |
| RGB | rgb(26, 65, 170) |
| HSL | hsl(224, 73%, 38%) |
| OKLCH | oklch(42% 0.174 264.4) |
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 #1A41AA | 8.82:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #1A41AA | 2.38:1 | Fails | Lc 14.5 | Not readable |
| #1A41AA text on white | 8.82:1 | AAA | Lc 89.5 | Fine for body text |
| #1A41AA text on black | 2.38:1 | Fails | Lc -12.8 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFE
oklch(93.6% 0.029 264.4)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#709DFF
oklch(70.7% 0.152 264.2)
-
Step 500
500
#4B80FF
oklch(63.1% 0.197 264.4)
-
Step 600
600
#2C63F5
oklch(55.6% 0.226 264.3)
-
Step 700
700
#2050D5
oklch(49% 0.211 264.4)
-
Step 800
800 (this color)
#1A41AA
oklch(42% 0.174 264.4)
-
Step 900
900
#1B3A88
oklch(37.6% 0.136 264.4)
-
Step 950
950
#102350
oklch(27% 0.086 264.2)
#1A41AA 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) | #0051AD | 0.039 |
| Deuteranopia (no green cones) | #0044A8 | 0.013 |
| Tritanopia (no blue cones) | #005C6F | 0.133 |
| Achromatopsia (no color) | #4A4A4A | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A41AA
#1A41AA
oklch(42% 0.174 264.4)
- #634800
#634800
oklch(42% 0.086 83.9)
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 #1A41AA, closest first.
No curated palette has a color within ΔE 0.04 of #1A41AA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.020
- Blue Blue #2242C7 ΔE 0.047
- Cobalt #1E488F ΔE 0.049
- Blueberry #464196 ΔE 0.061
- Majorelle Blue #3F37C9 ΔE 0.065
- Dusk Blue #26538D ΔE 0.072
- Indigo Blue #3A18B1 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.074
Use #1A41AA 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.