#1B486C
Closest named color: Dark Grey Blue (#29465B). oklch(38.9% 0.078 246), rgb(27, 72, 108).
Aa
White text reads best on this color (9.58:1).
About this color
#1B486C is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.078 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 9.58:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #1B486C |
| RGB | rgb(27, 72, 108) |
| HSL | hsl(207, 60%, 26%) |
| OKLCH | oklch(38.9% 0.078 246) |
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 #1B486C | 9.58:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #1B486C | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #1B486C text on white | 9.58:1 | AAA | Lc 92.0 | Preferred for body text |
| #1B486C text on black | 2.19:1 | Fails | Lc -10.4 | Not readable |
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 900.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEE
oklch(88.5% 0.033 245.3)
-
Step 300
300
#A2C5E5
oklch(80.9% 0.059 246.2)
-
Step 400
400
#6EA6D8
oklch(70.6% 0.094 246.5)
-
Step 500
500
#438FCE
oklch(63% 0.121 246.4)
-
Step 600
600
#1D78BB
oklch(55.5% 0.132 246.4)
-
Step 700
700
#0C65A1
oklch(49.1% 0.122 246.1)
-
Step 800
800
#115382
oklch(42.8% 0.1 245.6)
-
Step 900
900 (this color)
#1B486C
oklch(38.9% 0.078 246)
-
Step 950
950
#0F283D
oklch(26.8% 0.05 246.5)
#1B486C 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) | #38496E | 0.033 |
| Deuteranopia (no green cones) | #2C426B | 0.023 |
| Tritanopia (no blue cones) | #005155 | 0.058 |
| Achromatopsia (no color) | #454545 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B486C
#1B486C
oklch(38.9% 0.078 246)
- #613B0D
#613B0D
oklch(39% 0.079 65.7)
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 #1B486C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Twilight Blue #0A437A ΔE 0.033
- Charcoal #264653 ΔE 0.042
- Light Navy #155084 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.046
- Marine Blue #01386A ΔE 0.056
- Cobalt #1E488F ΔE 0.060
- Deep Teal #00555A ΔE 0.060
Use #1B486C 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.