#19598D
Closest named color: Light Navy Blue (#2E5A88). oklch(45.2% 0.106 247.8), rgb(25, 89, 141).
Aa
White text reads best on this color (7.35:1).
About this color
#19598D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.106 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.018 away. White text reads best on it, at 7.35:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #19598D |
| RGB | rgb(25, 89, 141) |
| HSL | hsl(207, 70%, 33%) |
| OKLCH | oklch(45.2% 0.106 247.8) |
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 #19598D | 7.35:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #19598D | 2.85:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #19598D text on white | 7.35:1 | AAA | Lc 85.2 | Fine for body text |
| #19598D text on black | 2.85:1 | Fails | Lc -16.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A2C5E7
oklch(80.9% 0.061 247.8)
-
Step 400
400
#6DA6DB
oklch(70.7% 0.098 247.6)
-
Step 500
500
#428FD2
oklch(63.2% 0.127 247.7)
-
Step 600
600
#1B77BF
oklch(55.5% 0.138 248.1)
-
Step 700
700
#0964A5
oklch(49.1% 0.128 248)
-
Step 800
800 (this color)
#19598D
oklch(45.2% 0.106 247.8)
-
Step 900
900
#17446B
oklch(37.7% 0.083 248.3)
-
Step 950
950
#0F283F
oklch(27% 0.053 248.7)
#19598D 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) | #415C8F | 0.039 |
| Deuteranopia (no green cones) | #2F518C | 0.026 |
| Tritanopia (no blue cones) | #00666C | 0.077 |
| Achromatopsia (no color) | #565656 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19598D
#19598D
oklch(45.2% 0.106 247.8)
- #794900
#794900
oklch(45.1% 0.099 67.8)
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 #19598D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.018
- Dusk Blue #26538D ΔE 0.018
- Deep Sea Blue #015482 ΔE 0.026
- Light Navy #155084 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.033
- Peacock Blue #016795 ΔE 0.041
- Denim #3B638C ΔE 0.045
- Cobalt #1E488F ΔE 0.050
Use #19598D 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.