#1F69BF
Closest named color: Mid Blue (#276AB3). oklch(52.4% 0.152 255.3), rgb(31, 105, 191).
Aa
White text reads best on this color (5.48:1).
About this color
#1F69BF is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.152 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.020 away. White text reads best on it, at 5.48:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.83:1 |
| White text | 5.48:1 |
Values
| HEX | #1F69BF |
| RGB | rgb(31, 105, 191) |
| HSL | hsl(212, 72%, 44%) |
| OKLCH | oklch(52.4% 0.152 255.3) |
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 #1F69BF | 5.48:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #1F69BF | 3.83:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #1F69BF text on white | 5.48:1 | AA | Lc 76.9 | Fine for body text |
| #1F69BF text on black | 3.83:1 | AA large text | Lc -24.9 | 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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300
#A3C3ED
oklch(80.8% 0.069 255.4)
-
Step 400
400
#71A3E4
oklch(70.7% 0.11 255.4)
-
Step 500
500
#4A8BDC
oklch(63.2% 0.14 255.1)
-
Step 600
600 (this color)
#1F69BF
oklch(52.4% 0.152 255.3)
-
Step 700
700
#1D60AF
oklch(49.2% 0.142 255.4)
-
Step 800
800
#1A4F8D
oklch(42.8% 0.117 254.9)
-
Step 900
900
#1C4271
oklch(37.7% 0.092 255.2)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#1F69BF 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) | #3B71C2 | 0.033 |
| Deuteranopia (no green cones) | #1663BD | 0.018 |
| Tritanopia (no blue cones) | #007E8A | 0.116 |
| Achromatopsia (no color) | #696969 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F69BF
#1F69BF
oklch(52.4% 0.152 255.3)
- #8E5F00
#8E5F00
oklch(52.3% 0.11 75.3)
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 #1F69BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.020
- French Blue #436BAD ΔE 0.040
- Windows Blue #3778BF ΔE 0.048
- Flat Blue #3C73A8 ΔE 0.055
- Nice Blue #107AB0 ΔE 0.057
- Royal Blue #4169E1 ΔE 0.061
- Muted Blue #3B719F ΔE 0.063
- Ocean Blue #03719C ΔE 0.065
Use #1F69BF 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.