#1D4767
Closest named color: Dark Grey Blue (#29465B). oklch(38.4% 0.072 244.4), rgb(29, 71, 103).
Aa
White text reads best on this color (9.77:1).
About this color
#1D4767 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.072 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.77:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.14:1 |
| White text | 9.77:1 |
Values
| HEX | #1D4767 |
| RGB | rgb(29, 71, 103) |
| HSL | hsl(206, 56%, 26%) |
| OKLCH | oklch(38.4% 0.072 244.4) |
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 #1D4767 | 9.77:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #1D4767 | 2.14:1 | Fails | Lc 11.5 | Not readable |
| #1D4767 text on white | 9.77:1 | AAA | Lc 92.4 | Preferred for body text |
| #1D4767 text on black | 2.14:1 | Fails | Lc -10.0 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A4C5E2
oklch(80.9% 0.054 245.1)
-
Step 400
400
#71A7D3
oklch(70.8% 0.086 244)
-
Step 500
500
#4990C7
oklch(63.1% 0.11 244.2)
-
Step 600
600
#2679B4
oklch(55.6% 0.12 244.4)
-
Step 700
700
#17669B
oklch(49.2% 0.111 244.1)
-
Step 800
800
#17537E
oklch(42.7% 0.093 244.7)
-
Step 900
900 (this color)
#1D4767
oklch(38.4% 0.072 244.4)
-
Step 950
950
#11293B
oklch(27.1% 0.045 243.2)
#1D4767 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) | #394868 | 0.033 |
| Deuteranopia (no green cones) | #2E4166 | 0.024 |
| Tritanopia (no blue cones) | #004F52 | 0.053 |
| Achromatopsia (no color) | #444444 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D4767
#1D4767
oklch(38.4% 0.072 244.4)
- #5E3A14
#5E3A14
oklch(38.4% 0.072 63.7)
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 #1D4767, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.034
- Twilight Blue #0A437A ΔE 0.039
- Light Navy #155084 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.053
- Marine Blue #01386A ΔE 0.055
- Dark Teal #014D4E ΔE 0.056
Use #1D4767 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.