#1A2735
Closest named color: Dark (#1B2431). oklch(26.8% 0.032 250.9), rgb(26, 39, 53).
Aa
White text reads best on this color (15.15:1).
About this color
#1A2735 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.032 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.011 away. White text reads best on it, at 15.15:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.38:1 |
| White text | 15.15:1 |
Values
| HEX | #1A2735 |
| RGB | rgb(26, 39, 53) |
| HSL | hsl(211, 34%, 15%) |
| OKLCH | oklch(26.8% 0.032 250.9) |
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 #1A2735 | 15.15:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #1A2735 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #1A2735 text on white | 15.15:1 | AAA | Lc 102.0 | Preferred for body text |
| #1A2735 text on black | 1.38:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200
#CFDAE7
oklch(88.4% 0.022 252.5)
-
Step 300
300
#AFC3D9
oklch(80.9% 0.038 250.8)
-
Step 400
400
#85A4C6
oklch(70.8% 0.061 251)
-
Step 500
500
#668DB7
oklch(63.1% 0.077 250.9)
-
Step 600
600
#4D77A3
oklch(55.7% 0.083 250.6)
-
Step 700
700
#3D638C
oklch(49% 0.079 251.4)
-
Step 800
800
#335171
oklch(42.6% 0.064 251)
-
Step 900
900
#2D435C
oklch(37.6% 0.051 252.3)
-
Step 950
950 (this color)
#1A2735
oklch(26.8% 0.032 250.9)
#1A2735 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) | #222736 | 0.013 |
| Deuteranopia (no green cones) | #1E2535 | 0.009 |
| Tritanopia (no blue cones) | #102A2C | 0.026 |
| Achromatopsia (no color) | #262626 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A2735
#1A2735
oklch(26.8% 0.032 250.9)
- #302314
#302314
oklch(26.7% 0.032 69.7)
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 #1A2735, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.011
- Oxford Blue #1B263B ΔE 0.013
- Jet #212529 ΔE 0.023
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.050
- Midnight Green #073B4C ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.070
Use #1A2735 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.