#144DAC
Closest named color: Cobalt (#1E488F). oklch(44.5% 0.163 260.4), rgb(20, 77, 172).
Aa
White text reads best on this color (7.81:1).
About this color
#144DAC is a dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.163 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.048 away. White text reads best on it, at 7.81:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | vivid (0.163) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #144DAC |
| RGB | rgb(20, 77, 172) |
| HSL | hsl(218, 79%, 38%) |
| OKLCH | oklch(44.5% 0.163 260.4) |
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 #144DAC | 7.81:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #144DAC | 2.68:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #144DAC text on white | 7.81:1 | AAA | Lc 86.5 | Fine for body text |
| #144DAC text on black | 2.68:1 | Fails | Lc -15.6 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFD
oklch(88.4% 0.054 260.6)
-
Step 300
300
#9DC2FF
oklch(81% 0.096 260.2)
-
Step 400
400
#679FFF
oklch(70.7% 0.153 260.6)
-
Step 500
500
#3D83FD
oklch(63.1% 0.195 260.6)
-
Step 600
600
#1969EC
oklch(55.6% 0.212 260.4)
-
Step 700
700
#0A56CD
oklch(49% 0.197 260.5)
-
Step 800
800 (this color)
#144DAC
oklch(44.5% 0.163 260.4)
-
Step 900
900
#143D84
oklch(37.7% 0.128 260.6)
-
Step 950
950
#0D254D
oklch(27.1% 0.08 260.1)
#144DAC 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) | #0059AF | 0.031 |
| Deuteranopia (no green cones) | #004CAA | 0.009 |
| Tritanopia (no blue cones) | #006575 | 0.125 |
| Achromatopsia (no color) | #525252 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #144DAC
#144DAC
oklch(44.5% 0.163 260.4)
- #6E4D00
#6E4D00
oklch(44.5% 0.092 80.2)
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 #144DAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.048
- Sapphire #2138AB ΔE 0.049
- Blue Blue #2242C7 ΔE 0.050
- Dusk Blue #26538D ΔE 0.056
- Blueberry #464196 ΔE 0.064
- Light Navy #155084 ΔE 0.067
- Denim Blue #3B5B92 ΔE 0.072
- Majorelle Blue #3F37C9 ΔE 0.073
Use #144DAC 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.