#134DAA
Closest named color: Cobalt (#1E488F). oklch(44.3% 0.161 260.1), rgb(19, 77, 170).
Aa
White text reads best on this color (7.86:1).
About this color
#134DAA is a dark, vivid blue. In OKLCH its lightness is 44%, its chroma 0.161 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.045 away. White text reads best on it, at 7.86:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #134DAA |
| RGB | rgb(19, 77, 170) |
| HSL | hsl(217, 80%, 37%) |
| OKLCH | oklch(44.3% 0.161 260.1) |
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 #134DAA | 7.86:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #134DAA | 2.66:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #134DAA text on white | 7.86:1 | AAA | Lc 86.7 | Fine for body text |
| #134DAA text on black | 2.66:1 | Fails | Lc -15.4 | Dividers and decoration only |
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 800.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C5DAFC
oklch(88.4% 0.052 260)
-
Step 300
300
#9DC2FE
oklch(80.9% 0.094 259.9)
-
Step 400
400
#679FFD
oklch(70.6% 0.151 260.2)
-
Step 500
500
#3C84FB
oklch(63.1% 0.192 260)
-
Step 600
600
#186AEA
oklch(55.6% 0.208 260)
-
Step 700
700
#0857CC
oklch(49.1% 0.194 260.1)
-
Step 800
800 (this color)
#134DAA
oklch(44.3% 0.161 260.1)
-
Step 900
900
#143E82
oklch(37.8% 0.124 259.8)
-
Step 950
950
#0D254C
oklch(27% 0.078 259.7)
#134DAA 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) | #0059AD | 0.031 |
| Deuteranopia (no green cones) | #004BA8 | 0.011 |
| Tritanopia (no blue cones) | #006474 | 0.122 |
| Achromatopsia (no color) | #525252 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #134DAA
#134DAA
oklch(44.3% 0.161 260.1)
- #6E4D00
#6E4D00
oklch(44.5% 0.092 80.2)
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 #134DAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.045
- Sapphire #2138AB ΔE 0.049
- Blue Blue #2242C7 ΔE 0.053
- Dusk Blue #26538D ΔE 0.054
- Blueberry #464196 ΔE 0.063
- Light Navy #155084 ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.070
- Deep Sea Blue #015482 ΔE 0.072
Use #134DAA 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.