#2746B3
Closest named color: Blue Blue (#2242C7). oklch(44.3% 0.177 266.7), rgb(39, 70, 179).
Aa
White text reads best on this color (8.03:1).
About this color
#2746B3 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.177 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.033 away. White text reads best on it, at 8.03:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.61:1 |
| White text | 8.03:1 |
Values
| HEX | #2746B3 |
| RGB | rgb(39, 70, 179) |
| HSL | hsl(227, 64%, 43%) |
| OKLCH | oklch(44.3% 0.177 266.7) |
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 #2746B3 | 8.03:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #2746B3 | 2.61:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #2746B3 text on white | 8.03:1 | AAA | Lc 87.2 | Fine for body text |
| #2746B3 text on black | 2.61:1 | Fails | Lc -14.9 | Not readable |
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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C8D9FF
oklch(88.5% 0.056 266.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#3760F7
oklch(55.6% 0.23 266.7)
-
Step 700
700
#2A4ED7
oklch(49.1% 0.213 266.5)
-
Step 800
800 (this color)
#2746B3
oklch(44.3% 0.177 266.7)
-
Step 900
900
#203989
oklch(37.7% 0.137 266.5)
-
Step 950
950
#132250
oklch(26.9% 0.087 266.8)
#2746B3 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) | #0057B7 | 0.043 |
| Deuteranopia (no green cones) | #004AB1 | 0.022 |
| Tritanopia (no blue cones) | #006275 | 0.139 |
| Achromatopsia (no color) | #505050 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2746B3
#2746B3
oklch(44.3% 0.177 266.7)
- #694F00
#694F00
oklch(44.3% 0.091 86.7)
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 #2746B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.033
- Sapphire #2138AB ΔE 0.037
- Majorelle Blue #3F37C9 ΔE 0.050
- Blueberry #464196 ΔE 0.060
- Cobalt #1E488F ΔE 0.060
- Blue With A Hint Of Purple #533CC6 ΔE 0.066
- Dusk Blue #26538D ΔE 0.074
- Blurple #5539CC ΔE 0.074
Use #2746B3 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.