#2F44B4
Closest named color: Blue Blue (#2242C7). oklch(44.4% 0.178 269.4), rgb(47, 68, 180).
Aa
White text reads best on this color (8.05:1).
About this color
#2F44B4 is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.178 and its hue 269°. 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 8.05:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #2F44B4 |
| RGB | rgb(47, 68, 180) |
| HSL | hsl(231, 59%, 45%) |
| OKLCH | oklch(44.4% 0.178 269.4) |
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 #2F44B4 | 8.05:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #2F44B4 | 2.60:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #2F44B4 text on white | 8.05:1 | AAA | Lc 87.3 | Fine for body text |
| #2F44B4 text on black | 2.60:1 | Fails | Lc -14.8 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2EAFF
oklch(93.7% 0.03 269.1)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A8BEFF
oklch(80.9% 0.096 269.8)
-
Step 400
400
#7B9AFF
oklch(70.8% 0.152 269.4)
-
Step 500
500
#5B7CFF
oklch(63.1% 0.198 269.4)
-
Step 600
600
#425DF8
oklch(55.7% 0.232 269.5)
-
Step 700
700
#354BD8
oklch(49.2% 0.215 269.5)
-
Step 800
800 (this color)
#2F44B4
oklch(44.4% 0.178 269.4)
-
Step 900
900
#26378A
oklch(37.7% 0.139 269.6)
-
Step 950
950
#162151
oklch(27% 0.089 269.8)
#2F44B4 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) | #0056B8 | 0.046 |
| Deuteranopia (no green cones) | #004AB2 | 0.030 |
| Tritanopia (no blue cones) | #006175 | 0.142 |
| Achromatopsia (no color) | #505050 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F44B4
#2F44B4
oklch(44.4% 0.178 269.4)
- #675000
#675000
oklch(44.3% 0.09 89.5)
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 #2F44B4, 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 0.044
- Blueberry #464196 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Cobalt #1E488F ΔE 0.064
- Blurple #5539CC ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.075
Use #2F44B4 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.