#1972D3
Closest named color: Royal Blue (#4169E1). oklch(55.6% 0.169 254.9), rgb(25, 114, 211).
Aa
White text reads best on this color (4.78:1).
About this color
#1972D3 is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.169 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.041 away. White text reads best on it, at 4.78:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #1972D3 |
| RGB | rgb(25, 114, 211) |
| HSL | hsl(211, 79%, 46%) |
| OKLCH | oklch(55.6% 0.169 254.9) |
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 #1972D3 | 4.78:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #1972D3 | 4.38:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #1972D3 text on white | 4.78:1 | AA | Lc 72.6 | Content text, not long reading |
| #1972D3 text on black | 4.38:1 | AA large text | Lc -29.1 | 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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A0C4F2
oklch(81% 0.076 254.8)
-
Step 400
400
#6AA3EB
oklch(70.6% 0.122 254.9)
-
Step 500
500
#3F8AE5
oklch(63.1% 0.156 255)
-
Step 600
600 (this color)
#1972D3
oklch(55.6% 0.169 254.9)
-
Step 700
700
#075FB7
oklch(49.2% 0.157 254.9)
-
Step 800
800
#0E4E94
oklch(42.7% 0.13 255)
-
Step 900
900
#154276
oklch(37.8% 0.101 254.6)
-
Step 950
950
#0E2745
oklch(27.1% 0.064 254.6)
#1972D3 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) | #3C7BD7 | 0.036 |
| Deuteranopia (no green cones) | #006BD1 | 0.021 |
| Tritanopia (no blue cones) | #008998 | 0.126 |
| Achromatopsia (no color) | #727272 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1972D3
#1972D3
oklch(55.6% 0.169 254.9)
- #9B6800
#9B6800
oklch(55.7% 0.117 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 #1972D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.041
- Windows Blue #3778BF ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.044
- Mid Blue #276AB3 ΔE 0.051
- Water Blue #0E87CC ΔE 0.061
- French Blue #436BAD ΔE 0.062
- Nice Blue #107AB0 ΔE 0.063
- Neon Blue #4361EE ΔE 0.065
Use #1972D3 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.