#1052AA
Closest named color: Dusk Blue (#26538D). oklch(45.4% 0.155 258), rgb(16, 82, 170).
Aa
White text reads best on this color (7.47:1).
About this color
#1052AA is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.155 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.049 away. White text reads best on it, at 7.47:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #1052AA |
| RGB | rgb(16, 82, 170) |
| HSL | hsl(214, 83%, 36%) |
| OKLCH | oklch(45.4% 0.155 258) |
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 #1052AA | 7.47:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #1052AA | 2.80:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #1052AA text on white | 7.47:1 | AAA | Lc 85.4 | Fine for body text |
| #1052AA text on black | 2.80:1 | Fails | Lc -16.7 | 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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFB
oklch(88.5% 0.05 257.7)
-
Step 300
300
#9CC3FB
oklch(80.9% 0.09 257.4)
-
Step 400
400
#65A1F9
oklch(70.7% 0.144 257.9)
-
Step 500
500
#3886F7
oklch(63.1% 0.186 258.2)
-
Step 600
600
#096CE6
oklch(55.5% 0.202 258.2)
-
Step 700
700
#005AC5
oklch(49.1% 0.183 258.1)
-
Step 800
800 (this color)
#1052AA
oklch(45.4% 0.155 258)
-
Step 900
900
#103F80
oklch(37.7% 0.121 258)
-
Step 950
950
#0B254B
oklch(26.9% 0.077 258.3)
#1052AA 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) | #155CAD | 0.028 |
| Deuteranopia (no green cones) | #004FA8 | 0.011 |
| Tritanopia (no blue cones) | #006876 | 0.118 |
| Achromatopsia (no color) | #555555 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1052AA
#1052AA
oklch(45.4% 0.155 258)
- #734E00
#734E00
oklch(45.3% 0.095 77.4)
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 #1052AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.049
- Cobalt #1E488F ΔE 0.049
- Blue Blue #2242C7 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
- Light Navy #155084 ΔE 0.062
- Sapphire #2138AB ΔE 0.062
- Light Navy Blue #2E5A88 ΔE 0.066
- Blueberry #464196 ΔE 0.067
Use #1052AA 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.