#426B8D
Closest named color: Denim (#3B638C). oklch(51.2% 0.071 244.8), rgb(66, 107, 141).
Aa
White text reads best on this color (5.64:1).
About this color
#426B8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.071 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.026 away. White text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.71:1 |
| White text | 5.64:1 |
Values
| HEX | #426B8D |
| RGB | rgb(66, 107, 141) |
| HSL | hsl(207, 36%, 41%) |
| OKLCH | oklch(51.2% 0.071 244.8) |
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 #426B8D | 5.64:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #426B8D | 3.71:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #426B8D text on white | 5.64:1 | AA | Lc 78.1 | Fine for body text |
| #426B8D text on black | 3.71:1 | AA large text | Lc -23.7 | 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 700.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE5
oklch(88.5% 0.019 243)
-
Step 300
300
#AFC4D6
oklch(81% 0.034 244)
-
Step 400
400
#84A5C1
oklch(70.7% 0.055 244.3)
-
Step 500
500
#658EB2
oklch(63.1% 0.071 245.7)
-
Step 600
600
#4B789D
oklch(55.6% 0.076 244.6)
-
Step 700
700 (this color)
#426B8D
oklch(51.2% 0.071 244.8)
-
Step 800
800
#32526D
oklch(42.6% 0.059 245.2)
-
Step 900
900
#2C4459
oklch(37.6% 0.047 245.9)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
#426B8D 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) | #5D6B8F | 0.034 |
| Deuteranopia (no green cones) | #53648C | 0.027 |
| Tritanopia (no blue cones) | #197377 | 0.059 |
| Achromatopsia (no color) | #676767 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #426B8D
#426B8D
oklch(51.2% 0.071 244.8)
- #835E39
#835E39
oklch(51.2% 0.071 65.1)
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 #426B8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.026
- Muted Blue #3B719F ΔE 0.030
- Metallic Blue #4F738E ΔE 0.030
- Dull Blue #49759C ΔE 0.036
- Sea Blue #047495 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.040
- Ocean Blue #03719C ΔE 0.040
- Slate #516572 ΔE 0.043
Use #426B8D 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.