#1B485E
Closest named color: Dark Grey Blue (#29465B). oklch(38.1% 0.061 232.9), rgb(27, 72, 94).
Aa
White text reads best on this color (9.83:1).
About this color
#1B485E is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.061 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.014 away. White text reads best on it, at 9.83:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #1B485E |
| RGB | rgb(27, 72, 94) |
| HSL | hsl(200, 55%, 24%) |
| OKLCH | oklch(38.1% 0.061 232.9) |
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 #1B485E | 9.83:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #1B485E | 2.13:1 | Fails | Lc 11.3 | Not readable |
| #1B485E text on white | 9.83:1 | AAA | Lc 92.6 | Preferred for body text |
| #1B485E text on black | 2.13:1 | Fails | Lc -9.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DA
oklch(80.8% 0.046 233.9)
-
Step 400
400
#71A9C7
oklch(70.7% 0.073 232.6)
-
Step 500
500
#4793B9
oklch(63.1% 0.094 232.7)
-
Step 600
600
#237DA5
oklch(55.7% 0.102 232.6)
-
Step 700
700
#12698E
oklch(49.1% 0.096 233.1)
-
Step 800
800
#155673
oklch(42.8% 0.079 232.7)
-
Step 900
900 (this color)
#1B485E
oklch(38.1% 0.061 232.9)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#1B485E 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) | #3D475F | 0.040 |
| Deuteranopia (no green cones) | #34405E | 0.035 |
| Tritanopia (no blue cones) | #004E4F | 0.040 |
| Achromatopsia (no color) | #434343 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B485E
#1B485E
oklch(38.1% 0.061 232.9)
- #5C3922
#5C3922
oklch(38.1% 0.061 53.2)
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 #1B485E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.014
- Charcoal #264653 ΔE 0.020
- Dark Teal #014D4E ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.045
- Deep Teal #00555A ΔE 0.046
- Midnight Green #073B4C ΔE 0.053
- Twilight Blue #0A437A ΔE 0.055
Use #1B485E 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.