#244FA3
Closest named color: Cobalt (#1E488F). oklch(44.7% 0.144 262), rgb(36, 79, 163).
Aa
White text reads best on this color (7.71:1).
About this color
#244FA3 is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.144 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.038 away. White text reads best on it, at 7.71:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #244FA3 |
| RGB | rgb(36, 79, 163) |
| HSL | hsl(220, 64%, 39%) |
| OKLCH | oklch(44.7% 0.144 262) |
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 #244FA3 | 7.71:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #244FA3 | 2.72:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #244FA3 text on white | 7.71:1 | AAA | Lc 86.4 | Fine for body text |
| #244FA3 text on black | 2.72:1 | 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
#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
#A3C1F8
oklch(80.8% 0.085 262.3)
-
Step 400
400
#719FF4
oklch(70.6% 0.135 261.9)
-
Step 500
500
#4C85F0
oklch(63.2% 0.172 261.7)
-
Step 600
600
#306BDF
oklch(55.6% 0.188 262)
-
Step 700
700
#2359C2
oklch(49.2% 0.174 261.9)
-
Step 800
800 (this color)
#244FA3
oklch(44.7% 0.144 262)
-
Step 900
900
#1E3E7C
oklch(37.7% 0.112 262)
-
Step 950
950
#122549
oklch(27% 0.071 261.9)
#244FA3 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) | #1959A6 | 0.027 |
| Deuteranopia (no green cones) | #004DA1 | 0.021 |
| Tritanopia (no blue cones) | #006371 | 0.113 |
| Achromatopsia (no color) | #535353 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #244FA3
#244FA3
oklch(44.7% 0.144 262)
- #6E4E00
#6E4E00
oklch(44.7% 0.092 81.3)
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 #244FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.038
- Dusk Blue #26538D ΔE 0.039
- Blueberry #464196 ΔE 0.052
- Light Navy #155084 ΔE 0.054
- Denim Blue #3B5B92 ΔE 0.054
- Sapphire #2138AB ΔE 0.059
- Light Navy Blue #2E5A88 ΔE 0.059
- Deep Sea Blue #015482 ΔE 0.062
Use #244FA3 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.