#2248B9
Closest named color: Blue Blue (#2242C7). oklch(45% 0.183 265.2), rgb(34, 72, 185).
Aa
White text reads best on this color (7.79:1).
About this color
#2248B9 is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.183 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.025 away. White text reads best on it, at 7.79:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.69:1 |
| White text | 7.79:1 |
Values
| HEX | #2248B9 |
| RGB | rgb(34, 72, 185) |
| HSL | hsl(225, 69%, 43%) |
| OKLCH | oklch(45% 0.183 265.2) |
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 #2248B9 | 7.79:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #2248B9 | 2.69:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #2248B9 text on white | 7.79:1 | AAA | Lc 86.4 | Fine for body text |
| #2248B9 text on black | 2.69:1 | Fails | Lc -15.7 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E0EAFF
oklch(93.6% 0.03 265.3)
-
Step 200
200
#C7D9FF
oklch(88.4% 0.056 265.2)
-
Step 300
300
#A3C0FF
oklch(80.9% 0.095 265.2)
-
Step 400
400
#729CFF
oklch(70.6% 0.153 265.4)
-
Step 500
500
#4E7FFF
oklch(63% 0.198 265.3)
-
Step 600
600
#2D5FFC
oklch(55.6% 0.239 265.3)
-
Step 700
700
#214DDB
oklch(49% 0.221 265.2)
-
Step 800
800 (this color)
#2248B9
oklch(45% 0.183 265.2)
-
Step 900
900
#1B398C
oklch(37.7% 0.143 265)
-
Step 950
950
#102252
oklch(27% 0.091 265.2)
#2248B9 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) | #0059BD | 0.041 |
| Deuteranopia (no green cones) | #004BB7 | 0.017 |
| Tritanopia (no blue cones) | #006579 | 0.142 |
| Achromatopsia (no color) | #525252 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2248B9
#2248B9
oklch(45% 0.183 265.2)
- #6D5000
#6D5000
oklch(45% 0.092 84.4)
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 #2248B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.025
- Sapphire #2138AB ΔE 0.044
- Majorelle Blue #3F37C9 ΔE 0.049
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Cobalt #1E488F ΔE 0.069
- Blueberry #464196 ΔE 0.070
- Blurple #5539CC ΔE 0.073
- Dusk Blue #26538D ΔE 0.079
Use #2248B9 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.