#00619F
Closest named color: Peacock Blue (#016795). oklch(47.9% 0.125 246.7), rgb(0, 97, 159).
Aa
White text reads best on this color (6.54:1).
About this color
#00619F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.125 and its hue 247°. 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 6.54:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.21:1 |
| White text | 6.54:1 |
Values
| HEX | #00619F |
| RGB | rgb(0, 97, 159) |
| HSL | hsl(203, 100%, 31%) |
| OKLCH | oklch(47.9% 0.125 246.7) |
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 #00619F | 6.54:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #00619F | 3.21:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #00619F text on white | 6.54:1 | AA | Lc 81.8 | Fine for body text |
| #00619F text on black | 3.21:1 | AA large text | Lc -20.1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A2C5E6
oklch(80.9% 0.06 247)
-
Step 400
400
#6DA6DA
oklch(70.6% 0.097 247.1)
-
Step 500
500
#428FD0
oklch(63.1% 0.124 246.9)
-
Step 600
600
#1B78BD
oklch(55.6% 0.135 246.9)
-
Step 700
700 (this color)
#00619F
oklch(47.9% 0.125 246.7)
-
Step 800
800
#0F5284
oklch(42.6% 0.104 247.1)
-
Step 900
900
#16456A
oklch(37.8% 0.081 246.2)
-
Step 950
950
#0F283E
oklch(26.9% 0.052 247.6)
#00619F 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) | #4264A2 | 0.045 |
| Deuteranopia (no green cones) | #2B589E | 0.029 |
| Tritanopia (no blue cones) | #007078 | 0.088 |
| Achromatopsia (no color) | #5D5D5D | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00619F
#00619F
oklch(47.9% 0.125 246.7)
- #844F00
#844F00
oklch(47.8% 0.106 66.7)
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 #00619F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.041
- Mid Blue #276AB3 ΔE 0.045
- Dusk Blue #26538D ΔE 0.045
- Denim #3B638C ΔE 0.046
- Ocean Blue #03719C ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
Use #00619F 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.