#409ED1
Closest named color: Faded Blue (#658CBB). oklch(66.5% 0.116 236.1), rgb(64, 158, 209).
Aa
Black text reads best on this color (7.02:1).
About this color
#409ED1 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.116 and its hue 236°. 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 7.02:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #409ED1 |
| RGB | rgb(64, 158, 209) |
| HSL | hsl(201, 61%, 54%) |
| OKLCH | oklch(66.5% 0.116 236.1) |
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 #409ED1 | 2.98:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #409ED1 | 7.02:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #409ED1 text on white | 2.98:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #409ED1 text on black | 7.02:1 | AAA | Lc -45.6 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDEB
oklch(88.5% 0.031 234.5)
-
Step 300
300
#9EC7E1
oklch(80.9% 0.057 236.2)
-
Step 400
400
#66A9D2
oklch(70.6% 0.091 236.9)
-
Step 500
500 (this color)
#409ED1
oklch(66.5% 0.116 236.1)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#0B4764
oklch(37.7% 0.075 236)
-
Step 950
950
#0A2A3B
oklch(27.1% 0.048 236)
#409ED1 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) | #869DD3 | 0.069 |
| Deuteranopia (no green cones) | #728FD0 | 0.057 |
| Tritanopia (no blue cones) | #00ABAF | 0.076 |
| Achromatopsia (no color) | #959595 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #409ED1
#409ED1
oklch(66.5% 0.116 236.1)
- #C98048
#C98048
oklch(66.5% 0.116 56.6)
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 #409ED1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.064
- Greyblue #77A1B5 ΔE 0.065
- Water Blue #0E87CC ΔE 0.073
- Cool Blue #4984B8 ΔE 0.074
Use #409ED1 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.