#439FCE
Closest named color: Faded Blue (#658CBB). oklch(66.7% 0.111 234.2), rgb(67, 159, 206).
Aa
Black text reads best on this color (7.08:1).
About this color
#439FCE is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.111 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 7.08:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #439FCE |
| RGB | rgb(67, 159, 206) |
| HSL | hsl(200, 59%, 54%) |
| OKLCH | oklch(66.7% 0.111 234.2) |
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 #439FCE | 2.96:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #439FCE | 7.08:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #439FCE text on white | 2.96:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #439FCE text on black | 7.08:1 | AAA | Lc -45.9 | 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
#9FC7DF
oklch(80.9% 0.054 234.7)
-
Step 400
400
#67AACF
oklch(70.8% 0.087 234)
-
Step 500
500 (this color)
#439FCE
oklch(66.7% 0.111 234.2)
-
Step 600
600
#007DAD
oklch(55.6% 0.117 234.3)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#005678
oklch(42.7% 0.089 233.9)
-
Step 900
900
#0D4762
oklch(37.6% 0.073 234.5)
-
Step 950
950
#0B2A39
oklch(27% 0.045 233.1)
#439FCE 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) | #889ED0 | 0.069 |
| Deuteranopia (no green cones) | #7590CD | 0.058 |
| Tritanopia (no blue cones) | #00ABAF | 0.071 |
| Achromatopsia (no color) | #969696 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439FCE
#439FCE
oklch(66.7% 0.111 234.2)
- #C9814F
#C9814F
oklch(66.8% 0.111 54.4)
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 #439FCE, 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 0.060
- Chefchaouen Blue #4895EF ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.067
- Cadet Blue #5F9EA0 ΔE 0.070
- Silver Lake Blue #778DA9 ΔE 0.074
Use #439FCE 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.