#426D83
Closest named color: Metallic Blue (#4F738E). oklch(51.2% 0.059 231.8), rgb(66, 109, 131).
Aa
White text reads best on this color (5.60:1).
About this color
#426D83 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.059 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.029 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #426D83 |
| RGB | rgb(66, 109, 131) |
| HSL | hsl(200, 33%, 39%) |
| OKLCH | oklch(51.2% 0.059 231.8) |
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 #426D83 | 5.60:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #426D83 | 3.74:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #426D83 text on white | 5.60:1 | AA | Lc 77.9 | Fine for body text |
| #426D83 text on black | 3.74:1 | AA large text | Lc -23.9 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE2
oklch(88.4% 0.016 233)
-
Step 300
300
#AFC4D0
oklch(80.8% 0.029 232.8)
-
Step 400
400
#84A6B9
oklch(70.6% 0.047 232.8)
-
Step 500
500
#6590A7
oklch(63.1% 0.058 232.3)
-
Step 600
600
#4B7A92
oklch(55.5% 0.063 231.7)
-
Step 700
700 (this color)
#426D83
oklch(51.2% 0.059 231.8)
-
Step 800
800
#325465
oklch(42.7% 0.049 231.2)
-
Step 900
900
#2C4552
oklch(37.6% 0.038 231.8)
-
Step 950
950
#1A2930
oklch(27.1% 0.024 228.7)
#426D83 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) | #626C84 | 0.040 |
| Deuteranopia (no green cones) | #596583 | 0.035 |
| Tritanopia (no blue cones) | #227374 | 0.044 |
| Achromatopsia (no color) | #686868 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #426D83
#426D83
oklch(51.2% 0.059 231.8)
- #825D47
#825D47
oklch(51.2% 0.059 51.7)
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 #426D83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.029
- Slate #516572 ΔE 0.032
- Denim #3B638C ΔE 0.039
- Sea Blue #047495 ΔE 0.042
- Dull Blue #49759C ΔE 0.043
- Muted Blue #3B719F ΔE 0.043
- Deep Aqua #08787F ΔE 0.047
- Ocean #017B92 ΔE 0.049
Use #426D83 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.