#1A52AE
Closest named color: Dusk Blue (#26538D). oklch(45.9% 0.158 260.1), rgb(26, 82, 174).
Aa
White text reads best on this color (7.33:1).
About this color
#1A52AE is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.158 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.054 away. White text reads best on it, at 7.33:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #1A52AE |
| RGB | rgb(26, 82, 174) |
| HSL | hsl(217, 74%, 39%) |
| OKLCH | oklch(45.9% 0.158 260.1) |
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 #1A52AE | 7.33:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #1A52AE | 2.86:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #1A52AE text on white | 7.33:1 | AAA | Lc 84.9 | Fine for body text |
| #1A52AE text on black | 2.86:1 | Fails | Lc -17.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAF9
oklch(93.5% 0.023 260.7)
-
Step 200
200
#C9DAF6
oklch(88.4% 0.043 260.4)
-
Step 300
300
#A4C2F3
oklch(80.9% 0.077 260.1)
-
Step 400
400
#73A1ED
oklch(70.8% 0.123 260.1)
-
Step 500
500
#4E87E7
oklch(63.1% 0.157 260.2)
-
Step 600
600
#316ED5
oklch(55.5% 0.171 260.2)
-
Step 700
700 (this color)
#1A52AE
oklch(45.9% 0.158 260.1)
-
Step 800
800
#1F4B95
oklch(42.6% 0.131 260.2)
-
Step 900
900
#1F4077
oklch(37.8% 0.102 260)
-
Step 950
950
#132646
oklch(27.1% 0.065 260.2)
#1A52AE 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) | #0C5DB1 | 0.029 |
| Deuteranopia (no green cones) | #0050AC | 0.013 |
| Tritanopia (no blue cones) | #006978 | 0.122 |
| Achromatopsia (no color) | #565656 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A52AE
#1A52AE
oklch(45.9% 0.158 260.1)
- #735100
#735100
oklch(46% 0.095 80.6)
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 #1A52AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.054
- Blue Blue #2242C7 ΔE 0.054
- Cobalt #1E488F ΔE 0.055
- Sapphire #2138AB ΔE 0.062
- Denim Blue #3B5B92 ΔE 0.063
- Blueberry #464196 ΔE 0.067
- Mid Blue #276AB3 ΔE 0.068
- Light Navy #155084 ΔE 0.069
Use #1A52AE 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.