#439DCA
Closest named color: Faded Blue (#658CBB). oklch(66.1% 0.108 233.6), rgb(67, 157, 202).
Aa
Black text reads best on this color (6.91:1).
About this color
#439DCA is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.108 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.051 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #439DCA |
| RGB | rgb(67, 157, 202) |
| HSL | hsl(200, 56%, 53%) |
| OKLCH | oklch(66.1% 0.108 233.6) |
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 #439DCA | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #439DCA | 6.91:1 | AA | Lc 47.2 | Large or bold text, headings |
| #439DCA text on white | 3.03:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #439DCA text on black | 6.91:1 | AA | Lc -44.9 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#A0C7DE
oklch(80.9% 0.053 234.2)
-
Step 400
400
#69AACD
oklch(70.8% 0.084 233.2)
-
Step 500
500 (this color)
#439DCA
oklch(66.1% 0.108 233.6)
-
Step 600
600
#007DAC
oklch(55.5% 0.116 233.8)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#0F4761
oklch(37.6% 0.071 234)
-
Step 950
950
#0C2A39
oklch(27% 0.045 233.7)
#439DCA 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) | #879CCC | 0.069 |
| Deuteranopia (no green cones) | #748EC9 | 0.058 |
| Tritanopia (no blue cones) | #00A9AC | 0.070 |
| Achromatopsia (no color) | #949494 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439DCA
#439DCA
oklch(66.1% 0.108 233.6)
- #C67F50
#C67F50
oklch(66.1% 0.108 53.3)
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 #439DCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.051
- Greyblue #77A1B5 ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.062
- Dark Sky Blue #448EE4 ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.065
- Cadet Blue #5F9EA0 ΔE 0.067
- Dusty Blue #5A86AD ΔE 0.068
- Silver Lake Blue #778DA9 ΔE 0.069
Use #439DCA 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.