#104F69
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.074 231.2), rgb(16, 79, 105).
Aa
White text reads best on this color (8.95:1).
About this color
#104F69 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #104F69 |
| RGB | rgb(16, 79, 105) |
| HSL | hsl(198, 74%, 24%) |
| OKLCH | oklch(40.3% 0.074 231.2) |
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 #104F69 | 8.95:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #104F69 | 2.34:1 | Fails | Lc 13.8 | Not readable |
| #104F69 text on white | 8.95:1 | AAA | Lc 90.2 | Preferred for body text |
| #104F69 text on black | 2.34:1 | Fails | Lc -12.1 | Not readable |
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A5C6D8
oklch(80.8% 0.044 231.9)
-
Step 400
400
#73A9C4
oklch(70.7% 0.069 230.7)
-
Step 500
500
#4B93B5
oklch(63.1% 0.088 230.9)
-
Step 600
600
#297DA1
oklch(55.6% 0.096 230.8)
-
Step 700
700
#1A698A
oklch(49% 0.089 231.2)
-
Step 800
800 (this color)
#104F69
oklch(40.3% 0.074 231.2)
-
Step 900
900
#1C475B
oklch(37.7% 0.058 231.3)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#104F69 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) | #424E6A | 0.050 |
| Deuteranopia (no green cones) | #364669 | 0.042 |
| Tritanopia (no blue cones) | #005658 | 0.043 |
| Achromatopsia (no color) | #494949 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F69
#104F69
oklch(40.3% 0.074 231.2)
- #683C20
#683C20
oklch(40.4% 0.074 51.6)
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 #104F69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Deep Teal #00555A ΔE 0.037
- Charcoal #264653 ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.042
- Light Navy #155084 ΔE 0.046
- Dark Teal #014D4E ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.049
- Petrol #005F6A ΔE 0.051
Use #104F69 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.