#1052BB
Closest named color: Blue Blue (#2242C7). oklch(46.8% 0.177 260.2), rgb(16, 82, 187).
Aa
White text reads best on this color (7.12:1).
About this color
#1052BB is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.177 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.040 away. White text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #1052BB |
| RGB | rgb(16, 82, 187) |
| HSL | hsl(217, 84%, 40%) |
| OKLCH | oklch(46.8% 0.177 260.2) |
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 #1052BB | 7.12:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #1052BB | 2.94:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #1052BB text on white | 7.12:1 | AAA | Lc 84.0 | Fine for body text |
| #1052BB text on black | 2.94:1 | Fails | Lc -18.0 | 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
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAF9
oklch(88.4% 0.048 260.2)
-
Step 300
300
#A1C2F9
oklch(81% 0.086 260.5)
-
Step 400
400
#6DA0F6
oklch(70.7% 0.138 260.4)
-
Step 500
500
#4585F2
oklch(63% 0.177 260.3)
-
Step 600
600
#266CE0
oklch(55.6% 0.19 260.2)
-
Step 700
700 (this color)
#1052BB
oklch(46.8% 0.177 260.2)
-
Step 800
800
#174A9E
oklch(42.8% 0.147 260.1)
-
Step 900
900
#193F7D
oklch(37.8% 0.114 259.8)
-
Step 950
950
#102549
oklch(26.9% 0.072 260.4)
#1052BB 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) | #0060BF | 0.036 |
| Deuteranopia (no green cones) | #0051B9 | 0.007 |
| Tritanopia (no blue cones) | #006D7E | 0.136 |
| Achromatopsia (no color) | #585858 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1052BB
#1052BB
oklch(46.8% 0.177 260.2)
- #765300
#765300
oklch(46.8% 0.097 80.4)
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 #1052BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.040
- Sapphire #2138AB ΔE 0.065
- Majorelle Blue #3F37C9 ΔE 0.067
- Mid Blue #276AB3 ΔE 0.071
- Cobalt #1E488F ΔE 0.074
- Dusk Blue #26538D ΔE 0.075
- Warm Blue #4B57DB ΔE 0.076
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
Use #1052BB 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.