#426398
Closest named color: Dusky Blue (#475F94). oklch(49.9% 0.094 259.5), rgb(66, 99, 152).
Aa
White text reads best on this color (6.05:1).
About this color
#426398 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.094 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.012 away. White text reads best on it, at 6.05:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #426398 |
| RGB | rgb(66, 99, 152) |
| HSL | hsl(217, 39%, 43%) |
| OKLCH | oklch(49.9% 0.094 259.5) |
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 #426398 | 6.05:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #426398 | 3.46:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #426398 text on white | 6.05:1 | AA | Lc 80.1 | Fine for body text |
| #426398 text on black | 3.46:1 | AA large text | Lc -21.7 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#CFDAEA
oklch(88.5% 0.025 257.6)
-
Step 300
300
#B0C2DE
oklch(80.9% 0.044 259.2)
-
Step 400
400
#86A2CE
oklch(70.7% 0.072 259.3)
-
Step 500
500
#688AC2
oklch(63.1% 0.093 260.1)
-
Step 600
600
#4F73AE
oklch(55.5% 0.101 259.9)
-
Step 700
700 (this color)
#426398
oklch(49.9% 0.094 259.5)
-
Step 800
800
#354F79
oklch(42.7% 0.077 259.6)
-
Step 900
900
#2E4262
oklch(37.8% 0.061 259.5)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#426398 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) | #4E679A | 0.020 |
| Deuteranopia (no green cones) | #435F97 | 0.011 |
| Tritanopia (no blue cones) | #096F76 | 0.084 |
| Achromatopsia (no color) | #636363 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #426398
#426398
oklch(49.9% 0.094 259.5)
- #7F5C17
#7F5C17
oklch(49.9% 0.094 79.6)
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 #426398, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.012
- Denim #3B638C ΔE 0.022
- Denim Blue #3B5B92 ΔE 0.026
- French Blue #436BAD ΔE 0.037
- Muted Blue #3B719F ΔE 0.039
- Peacock Blue #016795 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.043
- Mid Blue #276AB3 ΔE 0.046
Use #426398 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.