#1D64A2
Closest named color: Peacock Blue (#016795). oklch(49.3% 0.12 249.5), rgb(29, 100, 162).
Aa
White text reads best on this color (6.18:1).
About this color
#1D64A2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.120 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.027 away. White text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.39:1 |
| White text | 6.18:1 |
Values
| HEX | #1D64A2 |
| RGB | rgb(29, 100, 162) |
| HSL | hsl(208, 70%, 37%) |
| OKLCH | oklch(49.3% 0.12 249.5) |
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 #1D64A2 | 6.18:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #1D64A2 | 3.39:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #1D64A2 text on white | 6.18:1 | AA | Lc 80.4 | Fine for body text |
| #1D64A2 text on black | 3.39:1 | AA large text | Lc -21.4 | 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 700.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEE
oklch(88.4% 0.033 249.6)
-
Step 300
300
#A4C4E5
oklch(80.8% 0.058 249.3)
-
Step 400
400
#72A5D9
oklch(70.6% 0.094 249.7)
-
Step 500
500
#4B8ECE
oklch(63.1% 0.119 249.3)
-
Step 600
600
#2B77BB
oklch(55.6% 0.129 249.3)
-
Step 700
700 (this color)
#1D64A2
oklch(49.3% 0.12 249.5)
-
Step 800
800
#1B5183
oklch(42.6% 0.1 250.1)
-
Step 900
900
#1D4469
oklch(37.8% 0.077 249.6)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#1D64A2 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) | #4668A5 | 0.039 |
| Deuteranopia (no green cones) | #325CA1 | 0.025 |
| Tritanopia (no blue cones) | #00737B | 0.088 |
| Achromatopsia (no color) | #616161 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D64A2
#1D64A2
oklch(49.3% 0.12 249.5)
- #875400
#875400
oklch(49.2% 0.107 69.6)
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 #1D64A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.027
- Mid Blue #276AB3 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.037
- Denim #3B638C ΔE 0.040
- Dusky Blue #475F94 ΔE 0.041
- Ocean Blue #03719C ΔE 0.041
- French Blue #436BAD ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.046
Use #1D64A2 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.