#439FCD
Closest named color: Faded Blue (#658CBB). oklch(66.7% 0.11 233.7), rgb(67, 159, 205).
Aa
Black text reads best on this color (7.07:1).
About this color
#439FCD is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.110 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.056 away. Black text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #439FCD |
| RGB | rgb(67, 159, 205) |
| HSL | hsl(200, 58%, 53%) |
| OKLCH | oklch(66.7% 0.11 233.7) |
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 #439FCD | 2.96:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #439FCD | 7.07:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #439FCD text on white | 2.96:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #439FCD text on black | 7.07:1 | AAA | Lc -45.8 | Large or bold text, headings |
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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF3
oklch(93.6% 0.016 233)
-
Step 200
200
#C7DDEA
oklch(88.5% 0.03 233.6)
-
Step 300
300
#9FC7DE
oklch(80.9% 0.054 233.5)
-
Step 400
400
#67AACE
oklch(70.7% 0.086 233.3)
-
Step 500
500 (this color)
#439FCD
oklch(66.7% 0.11 233.7)
-
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
#0D4761
oklch(37.6% 0.071 233.5)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#439FCD 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) | #899ECF | 0.071 |
| Deuteranopia (no green cones) | #7690CC | 0.059 |
| Tritanopia (no blue cones) | #00ABAE | 0.071 |
| Achromatopsia (no color) | #969696 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439FCD
#439FCD
oklch(66.7% 0.11 233.7)
- #C98150
#C98150
oklch(66.8% 0.11 53.9)
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 #439FCD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.056
- Turquoise Blue #06B1C4 ΔE 0.059
- Greyblue #77A1B5 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.065
- Cornflower Blue #6495ED ΔE 0.068
- Cadet Blue #5F9EA0 ΔE 0.069
- Silver Lake Blue #778DA9 ΔE 0.073
Use #439FCD 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.