#13435A
Closest named color: Dark Grey Blue (#29465B). oklch(36.2% 0.064 233.5), rgb(19, 67, 90).
Aa
White text reads best on this color (10.61:1).
About this color
#13435A is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.064 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.024 away. White text reads best on it, at 10.61:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #13435A |
| RGB | rgb(19, 67, 90) |
| HSL | hsl(199, 65%, 21%) |
| OKLCH | oklch(36.2% 0.064 233.5) |
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 #13435A | 10.61:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #13435A | 1.97:1 | Fails | Lc 9.6 | Not readable |
| #13435A text on white | 10.61:1 | AAA | Lc 94.4 | Preferred for body text |
| #13435A text on black | 1.97:1 | Fails | Lc -8.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C7DB
oklch(81% 0.048 232.5)
-
Step 400
400
#6FA9C9
oklch(70.7% 0.076 233.5)
-
Step 500
500
#4493BB
oklch(63.1% 0.098 233.4)
-
Step 600
600
#1D7DA8
oklch(55.7% 0.107 233.6)
-
Step 700
700
#0A6990
oklch(49.1% 0.099 233.7)
-
Step 800
800
#105675
oklch(42.8% 0.082 233.5)
-
Step 900
900 (this color)
#13435A
oklch(36.2% 0.064 233.5)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#13435A 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) | #38425B | 0.041 |
| Deuteranopia (no green cones) | #2E3B5A | 0.035 |
| Tritanopia (no blue cones) | #00494B | 0.039 |
| Achromatopsia (no color) | #3E3E3E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13435A
#13435A
oklch(36.2% 0.064 233.5)
- #58341B
#58341B
oklch(36.4% 0.064 54)
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 #13435A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.024
- Charcoal #264653 ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.030
- Midnight Green #073B4C ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.044
- Dark Teal #014D4E ΔE 0.045
- Marine Blue #01386A ΔE 0.051
- Onyx #343A40 ΔE 0.054
Use #13435A 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.