#1853BA
Closest named color: Blue Blue (#2242C7). oklch(47% 0.174 260.9), rgb(24, 83, 186).
Aa
White text reads best on this color (7.03:1).
About this color
#1853BA is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.174 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #1853BA |
| RGB | rgb(24, 83, 186) |
| HSL | hsl(218, 77%, 41%) |
| OKLCH | oklch(47% 0.174 260.9) |
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 #1853BA | 7.03:1 | AAA | Lc -88.7 | Fine for body text |
| Black text on #1853BA | 2.98:1 | Fails | Lc 20.3 | Dividers and decoration only |
| #1853BA text on white | 7.03:1 | AAA | Lc 83.7 | Fine for body text |
| #1853BA text on black | 2.98:1 | Fails | Lc -18.2 | 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
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F7
oklch(80.9% 0.083 260.4)
-
Step 400
400
#6FA0F4
oklch(70.7% 0.135 260.7)
-
Step 500
500
#4985F0
oklch(63% 0.173 261)
-
Step 600
600
#2C6CDE
oklch(55.6% 0.186 260.9)
-
Step 700
700 (this color)
#1853BA
oklch(47% 0.174 260.9)
-
Step 800
800
#1B4A9C
oklch(42.8% 0.143 260.7)
-
Step 900
900
#1C3F7C
oklch(37.8% 0.111 260.6)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#1853BA 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) | #0060BE | 0.033 |
| Deuteranopia (no green cones) | #0052B8 | 0.011 |
| Tritanopia (no blue cones) | #006D7E | 0.134 |
| Achromatopsia (no color) | #595959 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1853BA
#1853BA
oklch(47% 0.174 260.9)
- #775400
#775400
oklch(47.1% 0.097 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 #1853BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.044
- Mid Blue #276AB3 ΔE 0.067
- Sapphire #2138AB ΔE 0.068
- Majorelle Blue #3F37C9 ΔE 0.068
- Dusk Blue #26538D ΔE 0.073
- Cobalt #1E488F ΔE 0.073
- Warm Blue #4B57DB ΔE 0.074
- Denim Blue #3B5B92 ΔE 0.076
Use #1853BA 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.